diff --git a/.github/workflows/on-pr.yaml b/.github/workflows/on-pr.yaml
index 8bd54f6c..405e3611 100644
--- a/.github/workflows/on-pr.yaml
+++ b/.github/workflows/on-pr.yaml
@@ -60,7 +60,7 @@ jobs:
   integrationtest:
     name: Run integration tests
     env:
-      STACK_ORCHESTRATOR_REF: 38545ad36144800d16d61e53050bb8e784729f26
+      STACK_ORCHESTRATOR_REF: 35c677433aee5fafdf74eb3c251a453691b818d0
       GO_ETHEREUM_REF: ef8c9f2580dd577a7c5eca538fb0ed64d53dc4a4
       GOPATH: /tmp/go
       DB_WRITE: true
@@ -127,7 +127,7 @@ jobs:
   integrationtest_forwardethcalls:
     name: Run integration tests for direct proxy fall-through of eth_calls
     env:
-      STACK_ORCHESTRATOR_REF: 38545ad36144800d16d61e53050bb8e784729f26
+      STACK_ORCHESTRATOR_REF: 35c677433aee5fafdf74eb3c251a453691b818d0
       GO_ETHEREUM_REF: ef8c9f2580dd577a7c5eca538fb0ed64d53dc4a4
       GOPATH: /tmp/go
       DB_WRITE: false
@@ -194,7 +194,7 @@ jobs:
   integrationtest_watchedaddress_gapfillingservice:
     name: Run integration tests for watched addresses with gap filling service enabled
     env:
-      STACK_ORCHESTRATOR_REF: 38545ad36144800d16d61e53050bb8e784729f26
+      STACK_ORCHESTRATOR_REF: 35c677433aee5fafdf74eb3c251a453691b818d0
       GO_ETHEREUM_REF: ef8c9f2580dd577a7c5eca538fb0ed64d53dc4a4
       GOPATH: /tmp/go
       DB_WRITE: true
diff --git a/test/README.md b/test/README.md
index c740b286..05157170 100644
--- a/test/README.md
+++ b/test/README.md
@@ -4,16 +4,16 @@
 
 - Clone [stack-orchestrator](https://github.com/vulcanize/stack-orchestrator) and [go-ethereum](https://github.com/vulcanize/go-ethereum) repositories.
 
-- Checkout [v3 release](https://github.com/vulcanize/go-ethereum/releases/tag/v1.10.17-statediff-3.2.0) in go-ethereum repo.
+- Checkout [v4 release](https://github.com/vulcanize/go-ethereum/releases/tag/v1.10.17-statediff-4.0.1-alpha) in go-ethereum repo.
   ```bash
   # In go-ethereum repo.
-  git checkout v1.10.17-statediff-3.2.0
+  git checkout v1.10.17-statediff-4.0.1-alpha
   ```
 
 - Checkout working commit in stack-orchestrator repo.
   ```bash
   # In stack-orchestrator repo.
-  git checkout fcbc74451c5494664fe21f765e89c9c6565c07cb
+  git checkout 35c677433aee5fafdf74eb3c251a453691b818d0
   ```
 
 ## Run