diff --git a/poetry.lock b/poetry.lock
index fabc7de12..4137a6ebf 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "astroid"
@@ -1125,24 +1125,6 @@ files = [
     {file = "pyasn1-0.4.8.tar.gz", hash = "sha256:aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba"},
 ]
 
-[[package]]
-name = "pyblake2"
-version = "1.1.2"
-description = "BLAKE2 hash function extension module"
-optional = false
-python-versions = "*"
-files = [
-    {file = "pyblake2-1.1.2-cp27-cp27m-win32.whl", hash = "sha256:3757f7ad709b0e1b2a6b3919fa79fe3261f166fc375cd521f2be480f8319dde9"},
-    {file = "pyblake2-1.1.2-cp27-cp27m-win_amd64.whl", hash = "sha256:8043267fbc0b2f3748c6920591cd0b8b5609dcce60c504c32858aa36206386f2"},
-    {file = "pyblake2-1.1.2-cp34-cp34m-win32.whl", hash = "sha256:4d47b4a2c1d292b1e460bde1dda4d13aa792ed2ed70fcc263b6bc24632c8e902"},
-    {file = "pyblake2-1.1.2-cp34-cp34m-win_amd64.whl", hash = "sha256:982295a87907d50f4723db6bc724660da76b6547826d52160171d54f95b919ac"},
-    {file = "pyblake2-1.1.2-cp35-cp35m-win32.whl", hash = "sha256:baa2190bfe549e36163aa44664d4ee3a9080b236fc5d42f50dc6fd36bbdc749e"},
-    {file = "pyblake2-1.1.2-cp35-cp35m-win_amd64.whl", hash = "sha256:407e02c7f8f36fcec1b7aa114ddca0c1060c598142ea6f6759d03710b946a7e3"},
-    {file = "pyblake2-1.1.2-cp36-cp36m-win32.whl", hash = "sha256:fbc9fcde75713930bc2a91b149e97be2401f7c9c56d735b46a109210f58d7358"},
-    {file = "pyblake2-1.1.2-cp36-cp36m-win_amd64.whl", hash = "sha256:c53417ee0bbe77db852d5fd1036749f03696ebc2265de359fe17418d800196c4"},
-    {file = "pyblake2-1.1.2.tar.gz", hash = "sha256:5ccc7eb02edb82fafb8adbb90746af71460fbc29aa0f822526fc976dff83e93f"},
-]
-
 [[package]]
 name = "pycodestyle"
 version = "2.11.1"
@@ -1830,4 +1812,4 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=6)", "pytest-black (>=
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.1"
-content-hash = "47643781ef071c850a178d080e7263783dab694ad6bd562ca7028a0d11f109e9"
+content-hash = "aee23e80ff37c84f73fad88ed177b3459cafb34202e6d1ecf8bf99446d43a401"
diff --git a/pyproject.toml b/pyproject.toml
index d4c1a616c..f60933bd3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,6 @@ python = "^3.8.1"
 trezor = {path = "./python", develop = true}
 scons = "*"
 protobuf = "*"
-pyblake2 = "*"
 nanopb = "^0.4.3"
 
 ## test tools