diff --git a/.github/workflows/py-dead-code.yml b/.github/workflows/py-dead-code.yml
index 92ed244..511b9bb 100644
--- a/.github/workflows/py-dead-code.yml
+++ b/.github/workflows/py-dead-code.yml
@@ -20,7 +20,7 @@ jobs:
           python-version: '3.8'
 
       - name: "Cache pip"
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           # This path is specific to Ubuntu
           path: ~/.cache/pip
diff --git a/.github/workflows/py-test.yml b/.github/workflows/py-test.yml
index 6848be7..e951272 100644
--- a/.github/workflows/py-test.yml
+++ b/.github/workflows/py-test.yml
@@ -28,7 +28,7 @@ jobs:
           python-version: '3.8'
 
       - name: "Cache pip"
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           # This path is specific to Ubuntu
           path: ~/.cache/pip
@@ -82,7 +82,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: "Cache pip"
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           # This path is specific to Ubuntu
           path: ~/.cache/pip
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9a8cc46..98989f4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -62,7 +62,7 @@ jobs:
           python-version: 3.9
 
       - name: "Cache pip"
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           # This path is specific to Ubuntu
           path: ~/.cache/pip