diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index b2a45a2024..5720fbe7e7 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -35,7 +35,7 @@ jobs:
       HORIZON_INTEGRATION_TESTS_CORE_MAX_SUPPORTED_PROTOCOL: ${{ matrix.protocol-version }}
       PROTOCOL_20_CORE_DEBIAN_PKG_VERSION: 19.13.1-1481.3acf6dd26.focal
       PROTOCOL_20_CORE_DOCKER_IMG: stellar/stellar-core:19.13.1-1481.3acf6dd26.focal
-      PROTOCOL_20_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:20.0.0-rc1
+      PROTOCOL_20_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:20.0.0-rc1-35
       PROTOCOL_19_CORE_DEBIAN_PKG_VERSION: 19.12.0-1378.2109a168a.focal
       PROTOCOL_19_CORE_DOCKER_IMG: stellar/stellar-core:19.12.0-1378.2109a168a.focal
       PGHOST: localhost