diff --git a/.gitmodules b/.gitmodules
index 27f56389..c4a0df17 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libopencm3"]
 	path = libopencm3
-	url = git@github.com:libopencm3/libopencm3.git
+	url = https://github.com/libopencm3/libopencm3.git