diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index 89fd2f880e..6ac1e6a798 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:0.9.4-core-1481-32
+      PROTOCOL_20_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:20.0.0-rc1-core-1481-33
       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
diff --git a/services/horizon/internal/integration/contracts/Cargo.toml b/services/horizon/internal/integration/contracts/Cargo.toml
index cfa9e207be..7e413dfed7 100644
--- a/services/horizon/internal/integration/contracts/Cargo.toml
+++ b/services/horizon/internal/integration/contracts/Cargo.toml
@@ -22,6 +22,6 @@ codegen-units = 1
 lto = true
 
 [workspace.dependencies.soroban-sdk]
-version = "0.9.1"
+version = "20.0.0-rc1"
 git = "https://github.com/stellar/rs-soroban-sdk"
-rev = "ee44e420b9badeb16cab870ed25bef397c058f64"
+rev = "f743d6f9e49caa08924318907cd0588b60d7f187"