diff --git a/.github/workflows/ci-unit-test.yml b/.github/workflows/ci-unit-test.yml
index 23739e6c45..0a1fe67d7b 100644
--- a/.github/workflows/ci-unit-test.yml
+++ b/.github/workflows/ci-unit-test.yml
@@ -16,7 +16,7 @@ jobs:
 
     - name: Install
       run: |
-        python3 -m pip install pytest mypy isort pyflakes
+        python3 -m pip install pytest mypy types-cryptography isort pyflakes
         npm install -g pyright
 
     - name: Check that imports are sorted