diff --git a/.github/workflows/build-bluefin-toolbox.yml b/.github/workflows/build-bluefin-toolbox.yml
index a120fd9..fdaedcd 100644
--- a/.github/workflows/build-bluefin-toolbox.yml
+++ b/.github/workflows/build-bluefin-toolbox.yml
@@ -100,7 +100,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # Sign container
-      - uses: sigstore/cosign-installer@v3.3.0
+      - uses: sigstore/cosign-installer@v3.4.0
         if: github.event_name != 'pull_request'
 
       - name: Sign container image
diff --git a/.github/workflows/build-fedora-toolbox.yml b/.github/workflows/build-fedora-toolbox.yml
index d1c95cc..ee4b2c8 100644
--- a/.github/workflows/build-fedora-toolbox.yml
+++ b/.github/workflows/build-fedora-toolbox.yml
@@ -87,7 +87,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # Sign container
-      - uses: sigstore/cosign-installer@v3.3.0
+      - uses: sigstore/cosign-installer@v3.4.0
         if: github.event_name != 'pull_request'
 
       - name: Sign container image
diff --git a/.github/workflows/build-ubuntu-toolbox.yml b/.github/workflows/build-ubuntu-toolbox.yml
index 93e5c94..959fb22 100644
--- a/.github/workflows/build-ubuntu-toolbox.yml
+++ b/.github/workflows/build-ubuntu-toolbox.yml
@@ -89,7 +89,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # Sign container
-      - uses: sigstore/cosign-installer@v3.3.0
+      - uses: sigstore/cosign-installer@v3.4.0
         if: github.event_name != 'pull_request'
 
       - name: Sign container image
diff --git a/.github/workflows/build-wolfi-toolbox.yml b/.github/workflows/build-wolfi-toolbox.yml
index 30009d1..48dcf5e 100644
--- a/.github/workflows/build-wolfi-toolbox.yml
+++ b/.github/workflows/build-wolfi-toolbox.yml
@@ -104,7 +104,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       # Sign container
-      - uses: sigstore/cosign-installer@v3.3.0
+      - uses: sigstore/cosign-installer@v3.4.0
         if: github.event_name != 'pull_request'
 
       - name: Sign container image