diff --git a/.gitmodules b/.gitmodules
index ae648b6ed..c3ae86909 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,4 +2,4 @@
   path = src/core
   branch = master
   url = https://github.com/adaptlearning/adapt-contrib-core
-  installBranch = v6.53.8
+  installBranch = v6.53.9