diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index 1554ac9..cb8b5fa 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -10,7 +10,7 @@ on:
       - main
 
 env:
-  SUI_GIT_REF: testnet-v1.38.2
+  SUI_GIT_REF: testnet-v1.38.3
 
 concurrency: docker