diff --git a/ci/shell.nix b/ci/shell.nix
index 17b6d27707..173acc4cfb 100644
--- a/ci/shell.nix
+++ b/ci/shell.nix
@@ -7,6 +7,7 @@ stdenv.mkDerivation {
     SDL2
     SDL2_image
     autoflake
+    bash
     check
     clang-tools
     gcc
@@ -17,8 +18,8 @@ stdenv.mkDerivation {
     graphviz
     libffi
     libjpeg
-    libressl
     libusb1
+    openssl
     pipenv
     pkgconfig
     protobuf3_6