diff --git a/.github/workflows/build-release.yaml b/.github/workflows/build-release.yaml
index 6183a13..af1244c 100644
--- a/.github/workflows/build-release.yaml
+++ b/.github/workflows/build-release.yaml
@@ -105,7 +105,7 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # tag=v3.7.0
+    - uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # tag=v3.8.2
 
     - name: Sign container
       run: cosign sign --yes ${{ needs.release.outputs.image }}
@@ -116,7 +116,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # tag=v3.7.0
+    - uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # tag=v3.8.2
 
     - name: Verify signature
       run: cosign verify --certificate-identity-regexp 'https://github.com/${{ github.repository }}/.github/workflows/build-release.yaml@refs/.*' --certificate-oidc-issuer https://token.actions.githubusercontent.com ${{ needs.release.outputs.image }}
diff --git a/.github/workflows/chart-publish.yaml b/.github/workflows/chart-publish.yaml
index c9298f2..b9ad8e8 100644
--- a/.github/workflows/chart-publish.yaml
+++ b/.github/workflows/chart-publish.yaml
@@ -72,7 +72,7 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # tag=v3.7.0
+    - uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # tag=v3.8.2
 
     - name: Sign chart
       run: cosign sign --yes -a "chartVersion=${{ needs.release-helm.outputs.chartVersion }}" ${{ needs.release-helm.outputs.chart }}
@@ -82,7 +82,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # tag=v3.7.0
+    - uses: sigstore/cosign-installer@3454372f43399081ed03b604cb2d021dabca52bb # tag=v3.8.2
 
     - name: Verify signature
       run: cosign verify --certificate-identity-regexp 'https://github.com/${{ github.repository }}/.github/workflows/chart-publish.yaml@refs/.*' --certificate-oidc-issuer https://token.actions.githubusercontent.com ${{ needs.release-helm.outputs.chart }}