diff --git a/.gitmodules b/.gitmodules
index 5ea472f58..ee8cb752f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,7 +4,7 @@
 [submodule "providers/flagd/test-harness"]
 	path = providers/flagd/test-harness
 	url = https://github.com/open-feature/test-harness.git
-	branch = v2.8.0
+	branch = v2.9.0
 [submodule "providers/flagd/spec"]
 	path = providers/flagd/spec
 	url = https://github.com/open-feature/spec.git
diff --git a/providers/flagd/test-harness b/providers/flagd/test-harness
index 8dca72ca3..07a700ba4 160000
--- a/providers/flagd/test-harness
+++ b/providers/flagd/test-harness
@@ -1 +1 @@
-Subproject commit 8dca72ca3877e009b3b76664749f3f604403dfd6
+Subproject commit 07a700ba4f07bf72970f2fce5091a1236bccb068