diff --git a/.github/workflows/docker-openstudio.yml b/.github/workflows/docker-openstudio.yml
index b9e0785..86eedf3 100644
--- a/.github/workflows/docker-openstudio.yml
+++ b/.github/workflows/docker-openstudio.yml
@@ -10,8 +10,8 @@ on: [push, pull_request]
 
 env:
   USE_TESTING_TIMEOUTS: "true"
-  OPENSTUDIO_VERSION: 3.8.0
-  OPENSTUDIO_SHA: f953b6fcaf
+  OPENSTUDIO_VERSION: 3.9.0
+  OPENSTUDIO_SHA: c77fbb9569
   OPENSTUDIO_VERSION_EXT: ""
 
 permissions: