diff --git a/defaults/threema b/defaults/threema
index 5c03e7c..4d661f8 160000
--- a/defaults/threema
+++ b/defaults/threema
@@ -1 +1 @@
-Subproject commit 5c03e7ca4d273749a5e9ed45ae0c9cb83b684103
+Subproject commit 4d661f86a810e80581521b7000d76b1d1d40833d
diff --git a/flake.lock b/flake.lock
index 3f6d9aa..0a166ac 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,11 +38,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1652020977,
-        "narHash": "sha256-9hDlNbrxzD/pLlXmoQ6gzxbYiSAKrj7uHYUWNByLFlI=",
+        "lastModified": 1652559422,
+        "narHash": "sha256-jPVTNImBTUIFdtur+d4IVot6eXmsvtOcBm0TzxmhWPk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3c5ae9be1f18c790ea890ef8decbd0946c0b4c04",
+        "rev": "8b3398bc7587ebb79f93dfeea1b8c574d3c6dba1",
         "type": "github"
       },
       "original": {
@@ -54,11 +54,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1651726670,
-        "narHash": "sha256-dSGdzB49SEvdOJvrQWfQYkAefewXraHIV08Vz6iDXWQ=",
+        "lastModified": 1652572281,
+        "narHash": "sha256-UEsrB5XBOj0blVe2ldc0lHvlhLYZJDHroELMHlg7XxA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c777cdf5c564015d5f63b09cc93bef4178b19b01",
+        "rev": "43ff6cb1c027d13dc938b88eb099462210fea52f",
         "type": "github"
       },
       "original": {
@@ -80,7 +80,7 @@
       "locked": {
         "lastModified": 1650734999,
         "narHash": "sha256-pDsN7yBWy+os/JuO0I6j5b3ehgU7dz/wvJK0DTvJ87E=",
-        "ref": "master",
+        "ref": "HEAD",
         "rev": "551db84dc6b46f010ab618a1650eaea79a25734a",
         "revCount": 213,
         "type": "git",
@@ -108,11 +108,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1652169671,
-        "narHash": "sha256-mf1ji5XQoCAObRSRDEpwZa2W4mMxVuRLa4Wxvl7U4B8=",
+        "lastModified": 1650877398,
+        "narHash": "sha256-hkzJhW+NKhiiIsg2SnztDH6nkVq1YMmFkvRoahbPRR8=",
         "ref": "main",
-        "rev": "5c03e7ca4d273749a5e9ed45ae0c9cb83b684103",
-        "revCount": 7,
+        "rev": "4d661f86a810e80581521b7000d76b1d1d40833d",
+        "revCount": 5,
         "type": "git",
         "url": "file:///etc/nixos/defaults/threema"
       },