diff --git a/.github/workflows/prod.yaml b/.github/workflows/prod.yaml
index 5d8e3b6b5..52e631c86 100644
--- a/.github/workflows/prod.yaml
+++ b/.github/workflows/prod.yaml
@@ -42,6 +42,22 @@ jobs:
 
     - name: Build
       run: yarn build
+      env:
+        REACT_APP_API_BASE_URL: "https://api.universe.xyz"
+        REACT_APP_NETWORK_CHAIN_ID: 1
+        REACT_APP_NETWORK_NAME: "Mainnet"
+        REACT_APP_BATCH_MINTING_CHUNK_SIZE: 40
+        REACT_APP_POLYMORPHS_GRAPH_URL: "https://api.thegraph.com/subgraphs/name/strenev/polymorph"
+        REACT_APP_LOBSTERS_GRAPH_URL: "https://api.thegraph.com/subgraphs/name/strenev/lobsters"
+        REACT_APP_POLYMORPHS_CONTRACT_ADDRESS: "0x1cbb182322aee8ce9f4f1f98d7460173ee30af1f"
+        REACT_APP_LOBSTERS_CONTRACT_ADDRESS: "0xc0Cb81c1F89Ab0873653f67EEa42652F13CD8416"
+        REACT_APP_RARITY_METADATA_URL: "https://us-central1-polymorphmetadata.cloudfunctions.net/rarity-mainnet"
+        REACT_APP_POLYMORPHS_IMAGES_URL: "https://us-central1-polymorphmetadata.cloudfunctions.net/images-function?id="
+        REACT_APP_LOBSTER_IMAGES_URL: "https://us-central1-polymorphmetadata.cloudfunctions.net/lobster-images-function?id="
+        REACT_APP_ETHERSCAN_URL: "https://etherscan.io"
+        REACT_APP_UNIVERSE_ERC_721_ADDRESS: "0x6Bc88860CABe484097471c2dFfFA0EA0Fc280025"
+        REACT_APP_UNIVERSE_ERC_721_FACTORY_ADDRESS: "0xbFb066D21A479fe50fa158a77aD76523e6c3EC7E"
+
 
     - name: Save artifacts
       uses: actions/upload-artifact@v2