diff --git a/.gitmodules b/.gitmodules
index 8fad6dc..fafc33a 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "tests/arduino-serial-fixture"]
 	path = tests/arduino-serial-fixture
-	url = git@github.com:jfjlaros/arduino-serial-fixture.git
+	url = https://github.com/jfjlaros/arduino-serial-fixture.git