diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
index 957fe0132..d2162bc1d 100644
--- a/.github/workflows/main-ci.yml
+++ b/.github/workflows/main-ci.yml
@@ -19,7 +19,7 @@ jobs:
       matrix:
         python-version: [ '3.10' ]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -61,7 +61,7 @@ jobs:
       matrix:
         python-version: [ '3.7', '3.10' ]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -91,7 +91,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: anubis
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
@@ -112,7 +112,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: anubis
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
@@ -132,7 +132,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: anubis
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
@@ -159,7 +159,7 @@ jobs:
           - theia-autosave
           - theia-dockerd
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
@@ -184,7 +184,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: anubis
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Install doctl
         uses: digitalocean/action-doctl@v2
         with:
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 2da48fd8b..9c3c857a9 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         python-version: [ '3.10' ]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -59,7 +59,7 @@ jobs:
       matrix:
         node-version: [ 14.x ]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with: