diff --git a/.github/workflows/bench.yaml b/.github/workflows/bench.yaml
index 845cbccb..32526187 100644
--- a/.github/workflows/bench.yaml
+++ b/.github/workflows/bench.yaml
@@ -56,7 +56,7 @@ jobs:
       - name: Setup Python
         uses: liblaf/actions/setup-python@v1
       - name: Install Mise
-        uses: jdx/mise-action@v3
+        uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4
       - name: Bench
         uses: CodSpeedHQ/action@v4
         with:
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 47d271b2..cb59788e 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -64,7 +64,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install Mise
-        uses: jdx/mise-action@v3
+        uses: jdx/mise-action@1648a7812b9aeae629881980618f079932869151 # v4
       - name: Test
         run: mise run test
       - if: success() || failure()