diff --git a/Pipfile b/Pipfile
index 45decc867..c10a994b9 100644
--- a/Pipfile
+++ b/Pipfile
@@ -13,7 +13,7 @@ pyblake2 = "*"
 ## test tools
 pytest = "*"
 mock = "*"
-coverage = "==4.5.3"  # coverage 5+ uses binary format
+coverage = "<5"  # coverage 5+ uses binary sqlite format
 flaky = ">=3.6.1"  # https://github.com/box/flaky/issues/156
 pytest-ordering = "*"
 pytest-random-order = "*"
@@ -37,11 +37,11 @@ autoflake = "*"
 
 # common
 demjson = "*"
-graphviz = "*"  # TODO this was '8' do we need that?
+graphviz = "*"
 
 ## cointool
 click = ">=6"
-"ed25519" = ">=1.4"
+ed25519 = ">=1.4"
 requests = ">=2.19"
 termcolor = ">=0.1.2"
 Pillow = ">=5.2.0"
diff --git a/Pipfile.lock b/Pipfile.lock
index d0197a7a0..1c599439e 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "278da7171f4ada120a583717d3f395251518b381fc56b3c37f05751933661848"
+            "sha256": "da0a32c8a377ea88a277fa7c786e4a07caae63f3b7392d2d8289144eb4a291c3"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -60,40 +60,40 @@
         },
         "cffi": {
             "hashes": [
-                "sha256:08f99e8b38d5134d504aa7e486af8e4fde66a2f388bbecc270cdd1e00fa09ff8",
-                "sha256:1112d2fc92a867a6103bce6740a549e74b1d320cf28875609f6e93857eee4f2d",
-                "sha256:1b9ab50c74e075bd2ae489853c5f7f592160b379df53b7f72befcbe145475a36",
-                "sha256:24eff2997436b6156c2f30bed215c782b1d8fd8c6a704206053c79af95962e45",
-                "sha256:2eff642fbc9877a6449026ad66bf37c73bf4232505fb557168ba5c502f95999b",
-                "sha256:362e896cea1249ed5c2a81cf6477fabd9e1a5088aa7ea08358a4c6b0998294d2",
-                "sha256:40eddb3589f382cb950f2dcf1c39c9b8d7bd5af20665ce273815b0d24635008b",
-                "sha256:5ed40760976f6b8613d4a0db5e423673ca162d4ed6c9ed92d1f4e58a47ee01b5",
-                "sha256:632c6112c1e914c486f06cfe3f0cc507f44aa1e00ebf732cedb5719e6aa0466a",
-                "sha256:64d84f0145e181f4e6cc942088603c8db3ae23485c37eeda71cb3900b5e67cb4",
-                "sha256:6cb4edcf87d0e7f5bdc7e5c1a0756fbb37081b2181293c5fdf203347df1cd2a2",
-                "sha256:6f19c9df4785305669335b934c852133faed913c0faa63056248168966f7a7d5",
-                "sha256:719537b4c5cd5218f0f47826dd705fb7a21d83824920088c4214794457113f3f",
-                "sha256:7b0e337a70e58f1a36fb483fd63880c9e74f1db5c532b4082bceac83df1523fa",
-                "sha256:853376efeeb8a4ae49a737d5d30f5db8cdf01d9319695719c4af126488df5a6a",
-                "sha256:85bbf77ffd12985d76a69d2feb449e35ecdcb4fc54a5f087d2bd54158ae5bb0c",
-                "sha256:8978115c6f0b0ce5880bc21c967c65058be8a15f1b81aa5fdbdcbea0e03952d1",
-                "sha256:8f7eec920bc83692231d7306b3e311586c2e340db2dc734c43c37fbf9c981d24",
-                "sha256:8fe230f612c18af1df6f348d02d682fe2c28ca0a6c3856c99599cdacae7cf226",
-                "sha256:92068ebc494b5f9826b822cec6569f1f47b9a446a3fef477e1d11d7fac9ea895",
-                "sha256:b57e1c8bcdd7340e9c9d09613b5e7fdd0c600be142f04e2cc1cc8cb7c0b43529",
-                "sha256:ba956c9b44646bc1852db715b4a252e52a8f5a4009b57f1dac48ba3203a7bde1",
-                "sha256:ca42034c11eb447497ea0e7b855d87ccc2aebc1e253c22e7d276b8599c112a27",
-                "sha256:dc9b2003e9a62bbe0c84a04c61b0329e86fccd85134a78d7aca373bbbf788165",
-                "sha256:dd308802beb4b2961af8f037becbdf01a1e85009fdfc14088614c1b3c383fae5",
-                "sha256:e77cd105b19b8cd721d101687fcf665fd1553eb7b57556a1ef0d453b6fc42faa",
-                "sha256:f56dff1bd81022f1c980754ec721fb8da56192b026f17f0f99b965da5ab4fbd2",
-                "sha256:fa4cc13c03ea1d0d37ce8528e0ecc988d2365e8ac64d8d86cafab4038cb4ce89",
-                "sha256:fa8cf1cb974a9f5911d2a0303f6adc40625c05578d8e7ff5d313e1e27850bd59",
-                "sha256:fb003019f06d5fc0aa4738492ad8df1fa343b8a37cbcf634018ad78575d185df",
-                "sha256:fd409b7778167c3bcc836484a8f49c0e0b93d3e745d975749f83aa5d18a5822f",
-                "sha256:fe5d65a3ee38122003245a82303d11ac05ff36531a8f5ce4bc7d4bbc012797e1"
+                "sha256:00d890313797d9fe4420506613384b43099ad7d2b905c0752dbcc3a6f14d80fa",
+                "sha256:0cf9e550ac6c5e57b713437e2f4ac2d7fd0cd10336525a27224f5fc1ec2ee59a",
+                "sha256:0ea23c9c0cdd6778146a50d867d6405693ac3b80a68829966c98dd5e1bbae400",
+                "sha256:193697c2918ecdb3865acf6557cddf5076bb39f1f654975e087b67efdff83365",
+                "sha256:1ae14b542bf3b35e5229439c35653d2ef7d8316c1fffb980f9b7647e544baa98",
+                "sha256:1e389e069450609c6ffa37f21f40cce36f9be7643bbe5051ab1de99d5a779526",
+                "sha256:263242b6ace7f9cd4ea401428d2d45066b49a700852334fd55311bde36dcda14",
+                "sha256:33142ae9807665fa6511cfa9857132b2c3ee6ddffb012b3f0933fc11e1e830d5",
+                "sha256:364f8404034ae1b232335d8c7f7b57deac566f148f7222cef78cf8ae28ef764e",
+                "sha256:47368f69fe6529f8f49a5d146ddee713fc9057e31d61e8b6dc86a6a5e38cecc1",
+                "sha256:4895640844f17bec32943995dc8c96989226974dfeb9dd121cc45d36e0d0c434",
+                "sha256:558b3afef987cf4b17abd849e7bedf64ee12b28175d564d05b628a0f9355599b",
+                "sha256:5ba86e1d80d458b338bda676fd9f9d68cb4e7a03819632969cf6d46b01a26730",
+                "sha256:63424daa6955e6b4c70dc2755897f5be1d719eabe71b2625948b222775ed5c43",
+                "sha256:6381a7d8b1ebd0bc27c3bc85bc1bfadbb6e6f756b4d4db0aa1425c3719ba26b4",
+                "sha256:6381ab708158c4e1639da1f2a7679a9bbe3e5a776fc6d1fd808076f0e3145331",
+                "sha256:6fd58366747debfa5e6163ada468a90788411f10c92597d3b0a912d07e580c36",
+                "sha256:728ec653964655d65408949b07f9b2219df78badd601d6c49e28d604efe40599",
+                "sha256:7cfcfda59ef1f95b9f729c56fe8a4041899f96b72685d36ef16a3440a0f85da8",
+                "sha256:819f8d5197c2684524637f940445c06e003c4a541f9983fd30d6deaa2a5487d8",
+                "sha256:825ecffd9574557590e3225560a8a9d751f6ffe4a49e3c40918c9969b93395fa",
+                "sha256:8a2bcae2258d00fcfc96a9bde4a6177bc4274fe033f79311c5dd3d3148c26518",
+                "sha256:9009e917d8f5ef780c2626e29b6bc126f4cb2a4d43ca67aa2b40f2a5d6385e78",
+                "sha256:9c77564a51d4d914ed5af096cd9843d90c45b784b511723bd46a8a9d09cf16fc",
+                "sha256:a19089fa74ed19c4fe96502a291cfdb89223a9705b1d73b3005df4256976142e",
+                "sha256:a40ed527bffa2b7ebe07acc5a3f782da072e262ca994b4f2085100b5a444bbb2",
+                "sha256:b8f09f21544b9899defb09afbdaeb200e6a87a2b8e604892940044cf94444644",
+                "sha256:bb75ba21d5716abc41af16eac1145ab2e471deedde1f22c6f99bd9f995504df0",
+                "sha256:e22a00c0c81ffcecaf07c2bfb3672fa372c50e2bd1024ffee0da191c1b27fc71",
+                "sha256:e55b5a746fb77f10c83e8af081979351722f6ea48facea79d470b3731c7b2891",
+                "sha256:ec2fa3ee81707a5232bf2dfbd6623fdb278e070d596effc7e2d788f2ada71a05",
+                "sha256:fd82eb4694be712fcae03c717ca2e0fc720657ac226b80bbb597e971fc6928c2"
             ],
-            "version": "==1.13.0"
+            "version": "==1.13.1"
         },
         "chardet": {
             "hashes": [
@@ -125,40 +125,41 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:3684fabf6b87a369017756b551cef29e505cb155ddb892a7a29277b978da88b9",
-                "sha256:39e088da9b284f1bd17c750ac672103779f7954ce6125fd4382134ac8d152d74",
-                "sha256:3c205bc11cc4fcc57b761c2da73b9b72a59f8d5ca89979afb0c1c6f9e53c7390",
-                "sha256:465ce53a8c0f3a7950dfb836438442f833cf6663d407f37d8c52fe7b6e56d7e8",
-                "sha256:48020e343fc40f72a442c8a1334284620f81295256a6b6ca6d8aa1350c763bbe",
-                "sha256:5296fc86ab612ec12394565c500b412a43b328b3907c0d14358950d06fd83baf",
-                "sha256:5f61bed2f7d9b6a9ab935150a6b23d7f84b8055524e7be7715b6513f3328138e",
-                "sha256:68a43a9f9f83693ce0414d17e019daee7ab3f7113a70c79a3dd4c2f704e4d741",
-                "sha256:6b8033d47fe22506856fe450470ccb1d8ba1ffb8463494a15cfc96392a288c09",
-                "sha256:7ad7536066b28863e5835e8cfeaa794b7fe352d99a8cded9f43d1161be8e9fbd",
-                "sha256:7bacb89ccf4bedb30b277e96e4cc68cd1369ca6841bde7b005191b54d3dd1034",
-                "sha256:839dc7c36501254e14331bcb98b27002aa415e4af7ea039d9009409b9d2d5420",
-                "sha256:8f9a95b66969cdea53ec992ecea5406c5bd99c9221f539bca1e8406b200ae98c",
-                "sha256:932c03d2d565f75961ba1d3cec41ddde00e162c5b46d03f7423edcb807734eab",
-                "sha256:988529edadc49039d205e0aa6ce049c5ccda4acb2d6c3c5c550c17e8c02c05ba",
-                "sha256:998d7e73548fe395eeb294495a04d38942edb66d1fa61eb70418871bc621227e",
-                "sha256:9de60893fb447d1e797f6bf08fdf0dbcda0c1e34c1b06c92bd3a363c0ea8c609",
-                "sha256:9e80d45d0c7fcee54e22771db7f1b0b126fb4a6c0a2e5afa72f66827207ff2f2",
-                "sha256:a545a3dfe5082dc8e8c3eb7f8a2cf4f2870902ff1860bd99b6198cfd1f9d1f49",
-                "sha256:a5d8f29e5ec661143621a8f4de51adfb300d7a476224156a39a392254f70687b",
-                "sha256:aca06bfba4759bbdb09bf52ebb15ae20268ee1f6747417837926fae990ebc41d",
-                "sha256:bb23b7a6fd666e551a3094ab896a57809e010059540ad20acbeec03a154224ce",
-                "sha256:bfd1d0ae7e292105f29d7deaa9d8f2916ed8553ab9d5f39ec65bcf5deadff3f9",
-                "sha256:c62ca0a38958f541a73cf86acdab020c2091631c137bd359c4f5bddde7b75fd4",
-                "sha256:c709d8bda72cf4cd348ccec2a4881f2c5848fd72903c185f363d361b2737f773",
-                "sha256:c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723",
-                "sha256:df785d8cb80539d0b55fd47183264b7002077859028dfe3070cf6359bf8b2d9c",
-                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
-                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
-                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
-                "sha256:fc5f4d209733750afd2714e9109816a29500718b32dd9a5db01c0cb3a019b96a"
+                "sha256:08907593569fe59baca0bf152c43f3863201efb6113ecb38ce7e97ce339805a6",
+                "sha256:0be0f1ed45fc0c185cfd4ecc19a1d6532d72f86a2bac9de7e24541febad72650",
+                "sha256:141f08ed3c4b1847015e2cd62ec06d35e67a3ac185c26f7635f4406b90afa9c5",
+                "sha256:19e4df788a0581238e9390c85a7a09af39c7b539b29f25c89209e6c3e371270d",
+                "sha256:23cc09ed395b03424d1ae30dcc292615c1372bfba7141eb85e11e50efaa6b351",
+                "sha256:245388cda02af78276b479f299bbf3783ef0a6a6273037d7c60dc73b8d8d7755",
+                "sha256:331cb5115673a20fb131dadd22f5bcaf7677ef758741312bee4937d71a14b2ef",
+                "sha256:386e2e4090f0bc5df274e720105c342263423e77ee8826002dcffe0c9533dbca",
+                "sha256:3a794ce50daee01c74a494919d5ebdc23d58873747fa0e288318728533a3e1ca",
+                "sha256:60851187677b24c6085248f0a0b9b98d49cba7ecc7ec60ba6b9d2e5574ac1ee9",
+                "sha256:63a9a5fc43b58735f65ed63d2cf43508f462dc49857da70b8980ad78d41d52fc",
+                "sha256:6b62544bb68106e3f00b21c8930e83e584fdca005d4fffd29bb39fb3ffa03cb5",
+                "sha256:6ba744056423ef8d450cf627289166da65903885272055fb4b5e113137cfa14f",
+                "sha256:7494b0b0274c5072bddbfd5b4a6c6f18fbbe1ab1d22a41e99cd2d00c8f96ecfe",
+                "sha256:826f32b9547c8091679ff292a82aca9c7b9650f9fda3e2ca6bf2ac905b7ce888",
+                "sha256:93715dffbcd0678057f947f496484e906bf9509f5c1c38fc9ba3922893cda5f5",
+                "sha256:9a334d6c83dfeadae576b4d633a71620d40d1c379129d587faa42ee3e2a85cce",
+                "sha256:af7ed8a8aa6957aac47b4268631fa1df984643f07ef00acd374e456364b373f5",
+                "sha256:bf0a7aed7f5521c7ca67febd57db473af4762b9622254291fbcbb8cd0ba5e33e",
+                "sha256:bf1ef9eb901113a9805287e090452c05547578eaab1b62e4ad456fcc049a9b7e",
+                "sha256:c0afd27bc0e307a1ffc04ca5ec010a290e49e3afbe841c5cafc5c5a80ecd81c9",
+                "sha256:dd579709a87092c6dbee09d1b7cfa81831040705ffa12a1b248935274aee0437",
+                "sha256:df6712284b2e44a065097846488f66840445eb987eb81b3cc6e4149e7b6982e1",
+                "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c",
+                "sha256:e2ede7c1d45e65e209d6093b762e98e8318ddeff95317d07a27a2140b80cfd24",
+                "sha256:e4ef9c164eb55123c62411f5936b5c2e521b12356037b6e1c2617cef45523d47",
+                "sha256:eca2b7343524e7ba246cab8ff00cab47a2d6d54ada3b02772e908a45675722e2",
+                "sha256:eee64c616adeff7db37cc37da4180a3a5b6177f5c46b187894e633f088fb5b28",
+                "sha256:ef824cad1f980d27f26166f86856efe11eff9912c4fed97d3804820d43fa550c",
+                "sha256:efc89291bd5a08855829a3c522df16d856455297cf35ae827a37edac45f466a7",
+                "sha256:fa964bae817babece5aa2e8c1af841bebb6d0b9add8e637548809d040443fee0",
+                "sha256:ff37757e068ae606659c28c3bd0d923f9d29a85de79bf25b2b34b148473b5025"
             ],
             "index": "pypi",
-            "version": "==4.5.3"
+            "version": "==4.5.4"
         },
         "cryptography": {
             "hashes": [
@@ -225,10 +226,10 @@
         },
         "fido2": {
             "hashes": [
-                "sha256:4483b48ab3da0a3f3cc8e2f11d833160dfa2e6d12148e938982df4acd10b2682"
+                "sha256:8b592ec0e51348f29636706fe3266423a0e41c35c9df63a259a91488450c1285"
             ],
             "index": "pypi",
-            "version": "==0.7.1"
+            "version": "==0.7.3"
         },
         "filelock": {
             "hashes": [
@@ -410,35 +411,39 @@
         },
         "pillow": {
             "hashes": [
-                "sha256:00fdeb23820f30e43bba78eb9abb00b7a937a655de7760b2e09101d63708b64e",
-                "sha256:01f948e8220c85eae1aa1a7f8edddcec193918f933fb07aaebe0bfbbcffefbf1",
-                "sha256:08abf39948d4b5017a137be58f1a52b7101700431f0777bec3d897c3949f74e6",
-                "sha256:099a61618b145ecb50c6f279666bbc398e189b8bc97544ae32b8fcb49ad6b830",
-                "sha256:2c1c61546e73de62747e65807d2cc4980c395d4c5600ecb1f47a650c6fa78c79",
-                "sha256:2ed9c4f694861642401f27dc3cb99772be67cd190e84845c749dae0a06c3bfae",
-                "sha256:338581b30b908e111be578f0297255f6b57a51358cd16fa0e6f664c9a1f88bff",
-                "sha256:38c7d48a21cd06fdeee93987147b9b1c55b73b4cfcbf83240568bfbd5adee447",
-                "sha256:43fd026f613c8e48a25eba1a92f4d2ad7f3903c95d8c33a11611a7717d2ab654",
-                "sha256:4548236844327a718ce3bb182ab32a16fa2050c61e334e959f554cac052fb0df",
-                "sha256:5090857876c58885cfa388dc649e5db30aae98a068c26f3fd0ac9d7d9a4d9572",
-                "sha256:5bbba34f97a26a93f5e8dec469ca4ddd712451418add43da946dbaed7f7a98d2",
-                "sha256:65a28969a025a0eb4594637b6103201dc4ed2a9508bdab56ac33e43e3081c404",
-                "sha256:892bb52b70bd5ea9dbbc3ac44f38e84f5a04e9d8b1bff48159d96cb795b81159",
-                "sha256:8a9becd5cbd5062f973bcd2e7bc79483af310222de112b6541f8af1f93a3cc42",
-                "sha256:972a7aaeb7c4a2795b52eef52ee991ef040b31009f36deca6207a986607b55f3",
-                "sha256:97b119c436bfa96a92ac2ca525f7025836d4d4e64b1c9f9eff8dbaf3ff1d86f3",
-                "sha256:9ba37698e242223f8053cc158f130aee046a96feacbeab65893dbe94f5530118",
-                "sha256:b1b0e1f626a0f079c0d3696db70132fb1f29aa87c66aecb6501a9b8be64ce9f7",
-                "sha256:c14c1224fd1a5be2733530d648a316974dbbb3c946913562c6005a76f21ca042",
-                "sha256:c79a8546c48ae6465189e54e3245a97ddf21161e33ff7eaa42787353417bb2b6",
-                "sha256:ceb76935ac4ebdf6d7bc845482a4450b284c6ccfb281e34da51d510658ab34d8",
-                "sha256:e22bffaad04b4d16e1c091baed7f2733fc1ebb91e0c602abf1b6834d17158b1f",
-                "sha256:ec883b8e44d877bda6f94a36313a1c6063f8b1997aa091628ae2f34c7f97c8d5",
-                "sha256:f1baa54d50ec031d1a9beb89974108f8f2c0706f49798f4777df879df0e1adb6",
-                "sha256:f53a5385932cda1e2c862d89460992911a89768c65d176ff8c50cddca4d29bed"
+                "sha256:047d9473cf68af50ac85f8ee5d5f21a60f849bc17d348da7fc85711287a75031",
+                "sha256:0f66dc6c8a3cc319561a633b6aa82c44107f12594643efa37210d8c924fc1c71",
+                "sha256:12c9169c4e8fe0a7329e8658c7e488001f6b4c8e88740e76292c2b857af2e94c",
+                "sha256:248cffc168896982f125f5c13e9317c059f74fffdb4152893339f3be62a01340",
+                "sha256:27faf0552bf8c260a5cee21a76e031acaea68babb64daf7e8f2e2540745082aa",
+                "sha256:285edafad9bc60d96978ed24d77cdc0b91dace88e5da8c548ba5937c425bca8b",
+                "sha256:384b12c9aa8ef95558abdcb50aada56d74bc7cc131dd62d28c2d0e4d3aadd573",
+                "sha256:38950b3a707f6cef09cd3cbb142474357ad1a985ceb44d921bdf7b4647b3e13e",
+                "sha256:4aad1b88933fd6dc2846552b89ad0c74ddbba2f0884e2c162aa368374bf5abab",
+                "sha256:4ac6148008c169603070c092e81f88738f1a0c511e07bd2bb0f9ef542d375da9",
+                "sha256:4deb1d2a45861ae6f0b12ea0a786a03d19d29edcc7e05775b85ec2877cb54c5e",
+                "sha256:59aa2c124df72cc75ed72c8d6005c442d4685691a30c55321e00ed915ad1a291",
+                "sha256:5a47d2123a9ec86660fe0e8d0ebf0aa6bc6a17edc63f338b73ea20ba11713f12",
+                "sha256:5cc901c2ab9409b4b7ac7b5bcc3e86ac14548627062463da0af3b6b7c555a871",
+                "sha256:6c1db03e8dff7b9f955a0fb9907eb9ca5da75b5ce056c0c93d33100a35050281",
+                "sha256:7ce80c0a65a6ea90ef9c1f63c8593fcd2929448613fc8da0adf3e6bfad669d08",
+                "sha256:809c19241c14433c5d6135e1b6c72da4e3b56d5c865ad5736ab99af8896b8f41",
+                "sha256:83792cb4e0b5af480588601467c0764242b9a483caea71ef12d22a0d0d6bdce2",
+                "sha256:846fa202bd7ee0f6215c897a1d33238ef071b50766339186687bd9b7a6d26ac5",
+                "sha256:9f5529fc02009f96ba95bea48870173426879dc19eec49ca8e08cd63ecd82ddb",
+                "sha256:a423c2ea001c6265ed28700df056f75e26215fd28c001e93ef4380b0f05f9547",
+                "sha256:ac4428094b42907aba5879c7c000d01c8278d451a3b7cccd2103e21f6397ea75",
+                "sha256:b1ae48d87f10d1384e5beecd169c77502fcc04a2c00a4c02b85f0a94b419e5f9",
+                "sha256:bf4e972a88f8841d8fdc6db1a75e0f8d763e66e3754b03006cbc3854d89f1cb1",
+                "sha256:c6414f6aad598364aaf81068cabb077894eb88fed99c6a65e6e8217bab62ae7a",
+                "sha256:c710fcb7ee32f67baf25aa9ffede4795fd5d93b163ce95fdc724383e38c9df96",
+                "sha256:c7be4b8a09852291c3c48d3c25d1b876d2494a0a674980089ac9d5e0d78bd132",
+                "sha256:c9e5ffb910b14f090ac9c38599063e354887a5f6d7e6d26795e916b4514f2c1a",
+                "sha256:e0697b826da6c2472bb6488db4c0a7fa8af0d52fa08833ceb3681358914b14e5",
+                "sha256:e9a3edd5f714229d41057d56ac0f39ad9bdba6767e8c888c951869f0bdd129b0"
             ],
             "index": "pypi",
-            "version": "==6.2.0"
+            "version": "==6.2.1"
         },
         "pluggy": {
             "hashes": [
@@ -528,11 +533,11 @@
         },
         "pytest": {
             "hashes": [
-                "sha256:7e4800063ccfc306a53c461442526c5571e1462f61583506ce97e4da6a1d88c8",
-                "sha256:ca563435f4941d0cb34767301c27bc65c510cb82e90b9ecf9cb52dc2c63caaa0"
+                "sha256:27abc3fef618a01bebb1f0d6d303d2816a99aa87a5968ebc32fe971be91eb1e6",
+                "sha256:58cee9e09242937e136dbb3dab466116ba20d6b7828c7620f23947f37eb4dae4"
             ],
             "index": "pypi",
-            "version": "==5.2.1"
+            "version": "==5.2.2"
         },
         "pytest-ordering": {
             "hashes": [
@@ -644,12 +649,12 @@
         },
         "typing-extensions": {
             "hashes": [
-                "sha256:2ed632b30bb54fc3941c382decfd0ee4148f5c591651c9272473fea2c6397d95",
-                "sha256:b1edbbf0652660e32ae780ac9433f4231e7339c7f9a8057d0f042fcbcea49b87",
-                "sha256:d8179012ec2c620d3791ca6fe2bf7979d979acdbef1fca0bc56b37411db682ed"
+                "sha256:091ecc894d5e908ac75209f10d5b4f118fbdb2eb1ede6a63544054bb1edb41f2",
+                "sha256:910f4656f54de5993ad9304959ce9bb903f90aadc7c67a0bef07e678014e892d",
+                "sha256:cf8b63fedea4d89bab840ecbb93e75578af28f76f66c35889bd7065f5af88575"
             ],
             "index": "pypi",
-            "version": "==3.7.4"
+            "version": "==3.7.4.1"
         },
         "urllib3": {
             "hashes": [
@@ -660,10 +665,10 @@
         },
         "virtualenv": {
             "hashes": [
-                "sha256:3e3597e89c73df9313f5566e8fc582bd7037938d15b05329c232ec57a11a7ad5",
-                "sha256:5d370508bf32e522d79096e8cbea3499d47e624ac7e11e9089f9397a0b3318df"
+                "sha256:11cb4608930d5fd3afb545ecf8db83fa50e1f96fc4fca80c94b07d2c83146589",
+                "sha256:d257bb3773e48cac60e475a19b608996c73f4d333b3ba2e4e57d5ac6134e0136"
             ],
-            "version": "==16.7.6"
+            "version": "==16.7.7"
         },
         "wcwidth": {
             "hashes": [
diff --git a/shell.nix b/shell.nix
index 0ffee7b19..9a0cc5bdb 100644
--- a/shell.nix
+++ b/shell.nix
@@ -11,6 +11,7 @@ stdenv.mkDerivation {
     gcc
     gnumake
     graphviz
+    libffi
     libjpeg
     libressl
     libusb1
@@ -35,7 +36,7 @@ stdenv.mkDerivation {
     darwin.libobjc
     libiconv
   ];
-  LD_LIBRARY_PATH="${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
+  LD_LIBRARY_PATH="${libffi}/lib:${libjpeg.out}/lib:${libusb1}/lib:${libressl.out}/lib";
   shellHook = ''
     pipenv shell
     exit
diff --git a/vendor/fido2-tests b/vendor/fido2-tests
index 6ca260358..cb4560f3e 160000
--- a/vendor/fido2-tests
+++ b/vendor/fido2-tests
@@ -1 +1 @@
-Subproject commit 6ca260358c8a4c8f0817eb55ec62648f32c1e7ce
+Subproject commit cb4560f3ea569093d0a2be414a4d01a94082d839