diff --git a/.github/workflows/ci.py b/.github/workflows/ci.py
index d36da09ea..a5167d72f 100644
--- a/.github/workflows/ci.py
+++ b/.github/workflows/ci.py
@@ -224,8 +224,6 @@ IGNORED_DEPENDENCY_CVES = [
     'CVE-2025-15367',
     'CVE-2025-12781',
     'CVE-2025-11468',
-    # glib
-    'CVE-2025-4056', # Only affects Windows, on which we dont run
     # github.com/nwaples/rardecode/v2
     'CVE-2025-11579', # rardecode is version 2.2.1, not vulnerable
 ]
diff --git a/bypy/sources.json b/bypy/sources.json
index c09446188..79dfa03c4 100644
--- a/bypy/sources.json
+++ b/bypy/sources.json
@@ -202,11 +202,11 @@
     },
 
     {
-        "name": "glib 2.82.5",
+        "name": "glib 2.86.3",
         "os": "linux",
         "unix": {
             "file_extension": "tar.xz",
-            "hash": "sha256:05c2031f9bdf6b5aba7a06ca84f0b4aced28b19bf1b50c6ab25cc675277cbc3f",
+            "hash": "sha256:b3211d8d34b9df5dca05787ef0ad5d7ca75dec998b970e1aab0001d229977c65",
             "urls": ["https://download.gnome.org/sources/glib/{version_except_last}/{filename}"]
         }
     },