diff --git a/.github/workflows/windows-build.yml b/.github/workflows/windows-build.yml
index 7a62de8e..8cc9297c 100644
--- a/.github/workflows/windows-build.yml
+++ b/.github/workflows/windows-build.yml
@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2
         with:
-          python-version: "3.9.3"
+          python-version: "3.9.4"
           architecture: "x86"
 
       - name: Install python tools
diff --git a/.python-version b/.python-version
index 820476af..e0d61b5b 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.9.3
+3.9.4