diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e9337874..7268a0ce 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -60,7 +60,7 @@ jobs:
                   aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
                   aws-region: eu-west-1
 
-            - uses: jakejarvis/s3-sync-action@v0.5.1
+            - uses: jakejarvis/s3-sync-action@be0c4ab89158cac4278689ebedd8407dd5f35a83
               with:
                   args: --acl public-read --follow-symlinks
               env: