diff --git a/.gitmodules b/.gitmodules
index d18fbbd66..1b6d9a850 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 = v2.7.3
+	branch = v2.7.4
 [submodule "providers/flagd/spec"]
 	path = providers/flagd/spec
 	url = https://github.com/open-feature/spec.git
diff --git a/pom.xml b/pom.xml
index dc226d6ec..8f78fee13 100644
--- a/pom.xml
+++ b/pom.xml
@@ -481,7 +481,7 @@
                     <plugin>
                         <groupId>com.diffplug.spotless</groupId>
                         <artifactId>spotless-maven-plugin</artifactId>
-                        <version>2.44.3</version>
+                        <version>2.44.4</version>
                         <configuration>
                             <!-- optional: limit format enforcement to just the files changed by this feature branch -->
                             <!--                <ratchetFrom>origin/main</ratchetFrom>-->
diff --git a/providers/flagd/test-harness b/providers/flagd/test-harness
index 5f3f68931..f251ff13e 160000
--- a/providers/flagd/test-harness
+++ b/providers/flagd/test-harness
@@ -1 +1 @@
-Subproject commit 5f3f6893108daed3b510952e97c5429ad1897d8e
+Subproject commit f251ff13e1cb461a91c0e2332452eab50af440cd