diff --git a/.github/workflows/checklinks.yml b/.github/workflows/checklinks.yml
index c92910c..d218ac8 100644
--- a/.github/workflows/checklinks.yml
+++ b/.github/workflows/checklinks.yml
@@ -7,7 +7,7 @@ jobs:
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.2
+      - uses: actions/checkout@v2.3.3
       - uses: gaurav-nelson/github-action-markdown-link-check@1.0.7
         with:
           use-verbose-mode: 'yes'
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 2312933..58d350a 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -38,7 +38,7 @@ jobs:
       # Checkout the code base #
       ##########################
       - name: Checkout Code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.3
 
       ################################
       # Run Linter against code base #
diff --git a/.github/workflows/optimize-images.yml b/.github/workflows/optimize-images.yml
index e17d9ce..ee429b2 100644
--- a/.github/workflows/optimize-images.yml
+++ b/.github/workflows/optimize-images.yml
@@ -18,7 +18,7 @@ jobs:
     name: calibreapp/image-actions
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.2
+      - uses: actions/checkout@v2.3.3
       - uses: calibreapp/image-actions@1.1.0
         with:
           githubToken: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/spellcheck.yml b/.github/workflows/spellcheck.yml
index 520c886..097a878 100644
--- a/.github/workflows/spellcheck.yml
+++ b/.github/workflows/spellcheck.yml
@@ -13,7 +13,7 @@ jobs:
     name: Fix spelling and create a PR
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.2
+      - uses: actions/checkout@v2.3.3
       - uses: sobolevn/misspell-fixer-action@0.1.0
       - uses: peter-evans/create-pull-request@v3
         with:
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index 8978107..d1a4e74 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2.3.2
+        uses: actions/checkout@v2.3.3
       - name: YAML Lint
         uses: ibiqlik/action-yamllint@v1.0.0
         with: