diff --git a/.gitmodules b/.gitmodules
index c4a0df17..527b693b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "libopencm3"]
 	path = libopencm3
-	url = https://github.com/libopencm3/libopencm3.git
+	url = git@github.com:flirc/libopencm3.git
diff --git a/libopencm3 b/libopencm3
index 67242de6..16df5b57 160000
--- a/libopencm3
+++ b/libopencm3
@@ -1 +1 @@
-Subproject commit 67242de60dec0227739cd549e8a78e1a3c15dbf5
+Subproject commit 16df5b57b8f7d80e7344188ba1a8484930a32afe