diff --git a/.github/workflows/attest.yml b/.github/workflows/attest.yml
index 2664657..d8a987a 100644
--- a/.github/workflows/attest.yml
+++ b/.github/workflows/attest.yml
@@ -20,6 +20,6 @@ jobs:
       - uses: actions/download-artifact@37930b1c2abaa49bbe596cd826c3c89aef350131 # v7.0.0
         with:
           name: ${{ inputs.artifact }}
-      - uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
+      - uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
         with:
           subject-path: "*"
diff --git a/.github/workflows/build-pyfib.yml b/.github/workflows/build-pyfib.yml
index 250104d..7b5c5e1 100644
--- a/.github/workflows/build-pyfib.yml
+++ b/.github/workflows/build-pyfib.yml
@@ -23,7 +23,7 @@ jobs:
         run: tar -czf pyfib.tar.gz ./pyfib
 
       - name: Attest build provenance
-        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
+        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
         with:
           subject-path: "pyfib.tar.gz"
 
diff --git a/.github/workflows/ghcr-publish.yml b/.github/workflows/ghcr-publish.yml
index 533b130..178e6a2 100644
--- a/.github/workflows/ghcr-publish.yml
+++ b/.github/workflows/ghcr-publish.yml
@@ -48,7 +48,7 @@ jobs:
           tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
 
       - name: Attest artifact
-        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
+        uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.build-and-push.outputs.digest }}