diff --git a/.gitmodules b/.gitmodules
index ac0d737c..a78014a1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -8,4 +8,4 @@
 [submodule "providers/openfeature-provider-flagd/openfeature/test-harness"]
 	path = providers/openfeature-provider-flagd/openfeature/test-harness
 	url = https://github.com/open-feature/flagd-testbed.git
-    branch = v2.7.0
+	branch = v2.7.3
diff --git a/providers/openfeature-provider-flagd/openfeature/test-harness b/providers/openfeature-provider-flagd/openfeature/test-harness
index dee690a1..5f3f6893 160000
--- a/providers/openfeature-provider-flagd/openfeature/test-harness
+++ b/providers/openfeature-provider-flagd/openfeature/test-harness
@@ -1 +1 @@
-Subproject commit dee690a1d274000e0cb6c36d569299f6237daebf
+Subproject commit 5f3f6893108daed3b510952e97c5429ad1897d8e