diff --git a/.github/workflows/dispatch-update-chart-events.yaml b/.github/workflows/dispatch-update-chart-events.yaml
index e8efcc1..6773f6f 100644
--- a/.github/workflows/dispatch-update-chart-events.yaml
+++ b/.github/workflows/dispatch-update-chart-events.yaml
@@ -41,7 +41,7 @@ jobs:
           repositories: ${{ inputs.target_repository }}
 
       - name: Dispatch to central repository
-        uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4
         with:
           token: ${{ steps.generate-token.outputs.token }}
           repository: giantswarm/${{ inputs.target_repository }}
@@ -95,7 +95,7 @@ jobs:
 
       - name: Dispatch workflow status to central repository
         if: always()
-        uses: peter-evans/repository-dispatch@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4
         with:
           token: ${{ steps.generate-token.outputs.token }}
           repository: giantswarm/${{ inputs.target_repository }}