diff --git a/.github/workflows/autofix.yml b/.github/workflows/autofix.yml
index fe827c094..e3767ed6f 100644
--- a/.github/workflows/autofix.yml
+++ b/.github/workflows/autofix.yml
@@ -39,7 +39,7 @@ jobs:
       - uses: install-pinned/autoflake@46b4898323be58db319656fe2758f3fd5ddfee32
       - run: autoflake --in-place --remove-all-unused-imports --exclude mitmproxy/contrib -r .
 
-      - uses: install-pinned/black@97252d99da3d792eedae55ff50e64df8bd162447
+      - uses: install-pinned/black@ba55a508f931f1ee71ee049edba55c3382567656
       - run: black .
 
       - name: Run prettier
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7397cb20d..e9b8dd2ec 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -210,7 +210,7 @@ jobs:
           name: binaries.linux
           path: release/dist
       - uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
-      - uses: docker/setup-buildx-action@4c0219f9ac95b02789c1075625400b2acbff50b1 # v1.6.0
+      - uses: docker/setup-buildx-action@885d1462b80bc1c1c7f0b00334ad271f09369c55 # v1.6.0
       - run: python release/build-and-deploy-docker.py
 
   deploy: