diff --git a/npins/sources.json b/npins/sources.json
index 1192e252..962260e2 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -8,14 +8,13 @@
         "repo": "agenix"
       },
       "pre_releases": false,
-      "version_upper_bound": null,
+      "version_upper_bound": "0.15.1",
       "release_prefix": null,
       "submodules": false,
       "version": "0.15.0",
       "revision": "564595d0ad4be7277e07fa63b5a991b3c645655d",
       "url": "https://api.github.com/repos/ryantm/agenix/tarball/0.15.0",
-      "hash": "01dhrghwa7zw93cybvx4gnrskqk97b004nfxgsys0736823956la",
-      "frozen": true
+      "hash": "01dhrghwa7zw93cybvx4gnrskqk97b004nfxgsys0736823956la"
     },
     "disko": {
       "type": "GitRelease",
@@ -25,14 +24,13 @@
         "repo": "disko"
       },
       "pre_releases": false,
-      "version_upper_bound": null,
+      "version_upper_bound": "v1.12.0",
       "release_prefix": null,
       "submodules": false,
       "version": "v1.11.0",
       "revision": "cdf8deded8813edfa6e65544f69fdd3a59fa2bb4",
       "url": "https://api.github.com/repos/nix-community/disko/tarball/v1.11.0",
-      "hash": "13brimg7z7k9y36n4jc1pssqyw94nd8qvgfjv53z66lv4xkhin92",
-      "frozen": true
+      "hash": "13brimg7z7k9y36n4jc1pssqyw94nd8qvgfjv53z66lv4xkhin92"
     },
     "fcitx5-table-extra": {
       "type": "Git",