diff --git a/.gitmodules b/.gitmodules
index da56c3f..5635b65 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "stm-firmware/shellmatta"]
 	path = stm-firmware/shellmatta
-	url = https://git.shimatta.net/shimatta/shellmatta
+	url = https://git.shimatta.de/mhu/shellmatta
diff --git a/stm-firmware/shellmatta b/stm-firmware/shellmatta
index ad60578..4dc6cd1 160000
--- a/stm-firmware/shellmatta
+++ b/stm-firmware/shellmatta
@@ -1 +1 @@
-Subproject commit ad60578aabafafe35348ed8f791e422f68bf6c18
+Subproject commit 4dc6cd1e79be4fed928443b91de70699773f7084