diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
index 4ce7bd6..0ddf4f3 100644
--- a/.github/workflows/build_linux.yml
+++ b/.github/workflows/build_linux.yml
@@ -34,7 +34,7 @@ jobs:
         python -m pip install zserio
         python -m pip install astroid==2.15.0
         python -m pip install pylint==2.16.3
-        python -m pip install mypy==0.931
+        python -m pip install mypy==0.981
 
     - name: Build Zserio Python Service Http
       run: |
diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
index 6bd0fd4..11a986f 100644
--- a/.github/workflows/build_windows.yml
+++ b/.github/workflows/build_windows.yml
@@ -34,7 +34,7 @@ jobs:
         python -m pip install zserio
         python -m pip install astroid==2.15.0
         python -m pip install pylint==2.16.3
-        python -m pip install mypy==0.931
+        python -m pip install mypy==0.981
       shell: bash
 
     - name: Build Zserio Python Service Http