diff --git a/.gitmodules b/.gitmodules
index ee8cb752f..f83362fd6 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 = v2.9.0
+	branch = v2.10.1
 [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 07a700ba4..d7aaafb7c 160000
--- a/providers/flagd/test-harness
+++ b/providers/flagd/test-harness
@@ -1 +1 @@
-Subproject commit 07a700ba4f07bf72970f2fce5091a1236bccb068
+Subproject commit d7aaafb7c3cb8a0282fbc7910ad6b69b9de8835d