diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 3787de5..89f364e 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -145,6 +145,11 @@ jobs:
       - name: Build Release
         run: |
           cargo make release
+      - name: optimize
+        uses: NiklasEi/wasm-opt@v0
+        with:
+          file: build/web/target/oicana.wasm
+          output: build/web/target/oicana.wasm
       - name: Zip release
         uses: vimtor/action-zip@v1
         with: