diff --git a/.github/workflows/base.yml b/.github/workflows/base.yml
index 00ee7bd..9ff5925 100644
--- a/.github/workflows/base.yml
+++ b/.github/workflows/base.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - run: ./run.sh -c $DISTRIBUTION $VERSION
       env:
diff --git a/.github/workflows/bookworm.yml b/.github/workflows/bookworm.yml
index b393815..1b90134 100644
--- a/.github/workflows/bookworm.yml
+++ b/.github/workflows/bookworm.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Clone ghdl
       run: git clone https://github.com/ghdl/ghdl
@@ -46,5 +46,5 @@ jobs:
     needs: [build]
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - run: GHDL_BOT_TOKEN=${{ github.token }} ./.github/trigger.sh vunit
diff --git a/.github/workflows/cosim.yml b/.github/workflows/cosim.yml
index 832a52f..80f3853 100644
--- a/.github/workflows/cosim.yml
+++ b/.github/workflows/cosim.yml
@@ -27,7 +27,7 @@ jobs:
       IMG: ${{ matrix.img }}
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ghdl/ghdl-cosim
 
@@ -56,7 +56,7 @@ jobs:
       IMG: ${{ matrix.img }}
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ghdl/ghdl-cosim
 
diff --git a/.github/workflows/ext.yml b/.github/workflows/ext.yml
index e8c82d8..0a8f098 100644
--- a/.github/workflows/ext.yml
+++ b/.github/workflows/ext.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build images
       run: ./run.sh -l
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build images
       run: ./run.sh -e gui
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 18882b8..a0e04eb 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Pull images
       run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d39dfb4..2745879 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Clone ghdl
       run: git clone https://github.com/ghdl/ghdl
diff --git a/.github/workflows/vunit.yml b/.github/workflows/vunit.yml
index 6c2d5e5..96648a2 100644
--- a/.github/workflows/vunit.yml
+++ b/.github/workflows/vunit.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Build images
       run: ./run.sh -e vunit