diff --git a/.github/workflows/build-soroban-dev.yml b/.github/workflows/build-soroban-dev.yml
index 2be7b8f8..9e171682 100644
--- a/.github/workflows/build-soroban-dev.yml
+++ b/.github/workflows/build-soroban-dev.yml
@@ -38,7 +38,7 @@ jobs:
       core_ref: v20.0.0rc2
       core_supports_testing_soroban_high_limit_override: "true"
       go_ref: horizon-v2.27.0-rc1
-      soroban_tools_ref: v20.0.0-rc3
+      soroban_tools_ref: v20.0.0-rc4
       test_matrix: |
         {
           "network": ["local"],
@@ -57,7 +57,7 @@ jobs:
       core_supports_testing_soroban_high_limit_override: "true"
       core_build_runner_type: ubuntu-latest-16-cores
       go_ref: horizon-v2.27.0-rc1
-      soroban_tools_ref: v20.0.0-rc3
+      soroban_tools_ref: v20.0.0-rc4
       soroban_rpc_build_runner_type: ubuntu-latest-16-cores
       test_matrix: |
         {
diff --git a/.github/workflows/build-testing.yml b/.github/workflows/build-testing.yml
index c7869102..32cec123 100644
--- a/.github/workflows/build-testing.yml
+++ b/.github/workflows/build-testing.yml
@@ -40,7 +40,7 @@ jobs:
       core_ref: v20.0.0rc2
       core_supports_testing_soroban_high_limit_override: "true"
       go_ref: horizon-v2.27.0-rc1
-      soroban_tools_ref: v20.0.0-rc3
+      soroban_tools_ref: v20.0.0-rc4
       test_matrix: |
         {
           "network": ["testnet", "pubnet", "local"],
@@ -65,7 +65,7 @@ jobs:
       core_supports_testing_soroban_high_limit_override: "true"
       core_build_runner_type: ubuntu-latest-16-cores
       go_ref: horizon-v2.27.0-rc1
-      soroban_tools_ref: v20.0.0-rc3
+      soroban_tools_ref: v20.0.0-rc4
       soroban_rpc_build_runner_type: ubuntu-latest-16-cores
       test_matrix: |
         {
diff --git a/Makefile b/Makefile
index fdfc0592..4233f42a 100644
--- a/Makefile
+++ b/Makefile
@@ -28,14 +28,14 @@ build-testing:
 		CORE_REF=v20.0.0rc2 \
 		CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true \
 		HORIZON_REF=horizon-v2.27.0-rc1 \
-		SOROBAN_RPC_REF=v20.0.0-rc3
+		SOROBAN_RPC_REF=v20.0.0-rc4
 
 build-soroban-dev:
 	$(MAKE) build TAG=soroban-dev \
 		CORE_REF=v20.0.0rc2 \
 		CORE_SUPPORTS_TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true \
 		HORIZON_REF=horizon-v2.27.0-rc1 \
-		SOROBAN_RPC_REF=v20.0.0-rc3
+		SOROBAN_RPC_REF=v20.0.0-rc4
 
 build:
 	$(MAKE) -j 4 build-deps