diff --git a/.gitmodules b/.gitmodules
index 5eeaa394..b617d21b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "src/test/java/com/flagsmith/flagengine/enginetestdata"]
 	path = src/test/java/com/flagsmith/flagengine/enginetestdata
 	url = git@github.com:Flagsmith/engine-test-data.git
+	branch = v1.0.0