diff --git a/.gitmodules b/.gitmodules
index 0b5b4004..45f67340 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,9 @@
 [submodule "data"]
 	path = data
-	url = git://github.com/colobot/colobot-data.git
+	url = https://github.com/colobot/colobot-data.git
 	branch = .
 	update = rebase
 [submodule "lib/googletest"]
 	path = lib/googletest
-	url = git://github.com/google/googletest.git
+	url = https://github.com/google/googletest.git
 	ignore = all