Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: asterisk 0 -> 1
attrpath: asterisk
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] 
Going to be running update for following packages:
 - asterisk-22.8.2

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - asterisk-22.8.2: UPDATING ...
 - asterisk-22.8.2: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/servers/asterisk/versions.json b/pkgs/servers/asterisk/versions.json
index e1e8f24f53a9..6215dbd501e7 100644
--- a/pkgs/servers/asterisk/versions.json
+++ b/pkgs/servers/asterisk/versions.json
@@ -8,8 +8,8 @@
     "version": "20.18.2"
   },
   "asterisk_21": {
-    "sha256": "f7d2535e949dfc531c8480ba2c72c4a007701d787986c01730e391d601320153",
-    "version": "21.12.1"
+    "sha256": "f482c974c5f1669d074746dfbaa30b031a90bf50f5ba5f7504f9f28c44bc4956",
+    "version": "21.12.2"
   },
   "asterisk_22": {
     "sha256": "8dd373ce0771a9ed40bb54a72a889ccdd14c0cee458ed68da9ce913a668e4b22",

Package version did not change.