diff --git a/.github/workflows/windows-build.yml b/.github/workflows/windows-build.yml
index 2efd61cd..7a62de8e 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: "3.9.2"
+          python-version: "3.9.3"
           architecture: "x86"
 
       - name: Install python tools
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b161b359..25f65352 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -67,7 +67,7 @@ repos:
         language: system
 
 default_language_version:
-    python: python3.8
+    python: python3.9
 
 default_stages: [ commit, push ]
 
diff --git a/.python-version b/.python-version
index 2009c7df..820476af 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.9.2
+3.9.3