diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 3d30f66..fb0bea3 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -51,12 +51,25 @@ jobs:
           npm install
           npm run gen
 
-      - name: Create artifacts archives
+      - name: Build contracts
+        working-directory: solidity
+        run: |
+          npm install
+          npx hardhat compile
+
+      - name: Create prover archives
         working-directory: ${{ runner.temp }}/zeto-artifacts
         run: |
           tar -czvf zeto-wasm-$ZETO_VER.tar.gz **/*.wasm
           tar -czvf zeto-test-proving-keys-$ZETO_VER.tar.gz *.zkey *-vkey.json
 
+      - name: Create contract archives
+        working-directory: solidity
+        env:
+          ARTIFACTS_ROOT: ${{ runner.temp }}/zeto-artifacts
+        run: |
+          tar -czvf $ARTIFACTS_ROOT/zeto-contracts-$ZETO_VER.tar.gz artifacts/contracts/**/*.json
+
       - name: Publish Release Artifact
         uses: actions/upload-artifact@v4
         with:
@@ -64,6 +77,7 @@ jobs:
           path: |
             ${{ runner.temp }}/zeto-artifacts/zeto-wasm-*.tar.gz
             ${{ runner.temp }}/zeto-artifacts/zeto-test-proving-keys-*.tar.gz
+            ${{ runner.temp }}/zeto-artifacts/zeto-contracts-*.tar.gz
 
   create-release:
     name: Create GitHub Release
diff --git a/solidity/hardhat.config.ts b/solidity/hardhat.config.ts
index 81e7bd1..277581e 100644
--- a/solidity/hardhat.config.ts
+++ b/solidity/hardhat.config.ts
@@ -28,7 +28,15 @@ const keys = [
 ];
 
 const config: HardhatUserConfig = {
-  solidity: "0.8.20",
+  solidity: {
+    version: "0.8.20",
+    settings: {
+      optimizer: {
+        enabled: false,
+        runs: 1000,
+      },
+    },
+  },
   paths: {
     sources: "contracts"
   },