diff --git a/reth-mainnet.yml b/reth-mainnet.yml
index 8960e264..5d7f3b2e 100644
--- a/reth-mainnet.yml
+++ b/reth-mainnet.yml
@@ -2,7 +2,7 @@ version: '3.1'
 
 services:
   mainnet-reth:
-    image: ghcr.io/paradigmxyz/reth:v0.1.0-alpha.21
+    image: ghcr.io/paradigmxyz/reth:${RETH_VERSION:-v0.1.0-alpha.21}
     user: root
     volumes:
       - "reth-mainnet:/root/.local/share/reth/mainnet/db"