diff --git a/opera/Dockerfile b/opera/Dockerfile
index 35f30bd..d5dbc00 100644
--- a/opera/Dockerfile
+++ b/opera/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.13 as build-stage
 
 ARG FANTOM_NETWORK=opera
-ARG GITHUB_BRANCH=release/1.0.2-rc.5
+ARG GITHUB_BRANCH=release/1.1.0-rc.4
 ARG GITHUB_URL=https://github.com/Fantom-foundation/go-${FANTOM_NETWORK}.git
 ARG GITHUB_DIR=go-${FANTOM_NETWORK}