diff --git a/.github/workflows/build-webr-image.yaml b/.github/workflows/build-webr-image.yaml
index bbc8243671..3cf9ef4c8a 100644
--- a/.github/workflows/build-webr-image.yaml
+++ b/.github/workflows/build-webr-image.yaml
@@ -10,7 +10,7 @@ name: Build wasm R package repository
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: ghcr.io/r-wasm/webr:main
+    container: ghcr.io/r-wasm/webr:c6596b6a2c9bcd4532d0d4115ea5bb711e1c21cfc825ee06d820cbe435d4814d
     steps:
     - uses: actions/checkout@v3
     - name: Build wasm packages