diff --git a/.gitmodules b/.gitmodules
index 5b3623555e44dd3daafbc8231159012263957e8b..5b16ed1949fea91c4fbd0824804022589816e023 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -18,8 +18,8 @@
 	url = https://git.dynare.org/Dynare/particles.git
 [submodule "matlab/modules/dates"]
 	path = matlab/modules/dates
-	url = https://github.com/DynareTeam/dates.git
-	branch = old-oop-style
+	url = https://git.dynare.org/Dynare/dates.git
+	branch = master
 [submodule "matlab/modules/dseries"]
 	path = matlab/modules/dseries
 	url = https://github.com/DynareTeam/dseries.git