diff --git a/.gitmodules b/.gitmodules
index 79377891..4f96458d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -21,7 +21,7 @@
 [submodule "deps/open62541"]
 	path = deps/open62541
 	url = https://github.com/open62541/open62541.git
-	branch = master
+	branch = 1.4
 [submodule "deps/open62541Cpp"]
 	path = deps/open62541Cpp
 	url = https://github.com/umati/open62541Cpp.git