diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 095a165..5f0371d 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c3bdfb6..9856212 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -12,7 +12,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -22,7 +22,7 @@ jobs:
       - name: Generate docs
         run: yard doc
       - name: Deploy docs
-        uses: JamesIves/github-pages-deploy-action@4.1.5
+        uses: JamesIves/github-pages-deploy-action@4.5.0
         with:
           branch: gh-pages
           folder: doc
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 677b129..4052466 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,7 +22,7 @@ jobs:
     - name: Verify RabbitMQ started correctly
       run: while true; do sudo rabbitmq-diagnostics status 2>/dev/null && break; echo -n .; sleep 2; done
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -69,7 +69,7 @@ jobs:
     - name: Verify RabbitMQ started correctly
       run: while true; do sudo rabbitmq-diagnostics status 2>/dev/null && break; echo -n .; sleep 2; done
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
@@ -91,7 +91,7 @@ jobs:
       run: brew install rabbitmq
     - name: Start RabbitMQ
       run: brew services start rabbitmq
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: