diff --git a/.gitmodules b/.gitmodules
index 7b2dd29..ef17d65 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,7 +1,7 @@
 [submodule "qois-infrastructure"]
 	path = qois-infrastructure
 	url = git@gitlab.com:qo.is/infrastructure.git
-	branch = 38-migrate-to-nix-flakes
+	branch = master
 [submodule "defaults/threema"]
 	path = defaults/threema
 	url = git@github.com:fabianhauser/nixos-config-threema.git
diff --git a/qois-infrastructure b/qois-infrastructure
index 9c9dc7c..551db84 160000
--- a/qois-infrastructure
+++ b/qois-infrastructure
@@ -1 +1 @@
-Subproject commit 9c9dc7c2416242004fa0e44111d94b221786d650
+Subproject commit 551db84dc6b46f010ab618a1650eaea79a25734a