diff --git a/build.zig.zon b/build.zig.zon
index 072a5ca11..05ca3134e 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -55,8 +55,8 @@
         .gobject = .{
             // https://github.com/jcollie/ghostty-gobject based on zig_gobject
             // Temporary until we generate them at build time automatically.
-            .url = "https://github.com/jcollie/ghostty-gobject/releases/download/0.14.1-2025-08-30-39-1/ghostty-gobject-0.14.1-2025-08-30-39-1.tar.zst",
-            .hash = "gobject-0.3.0-Skun7HlFnQBaCs-ZxA9JLd_QV9wbvrnfoJDzPx96IDLc",
+            .url = "https://github.com/jcollie/ghostty-gobject/releases/download/0.15.1-2025-09-04-48-1/ghostty-gobject-0.15.1-2025-09-04-48-1.tar.zst",
+            .hash = "gobject-0.3.0-Skun7ET3nQAc0LzvO0NAvTiGGnmkF36cnmbeCAF6MB7Z",
             .lazy = true,
         },
 
diff --git a/build.zig.zon.json b/build.zig.zon.json
index 814f0b36c..a28569dc4 100644
--- a/build.zig.zon.json
+++ b/build.zig.zon.json
@@ -24,10 +24,10 @@
     "url": "https://deps.files.ghostty.org/glslang-12201278a1a05c0ce0b6eb6026c65cd3e9247aa041b1c260324bf29cee559dd23ba1.tar.gz",
     "hash": "sha256-FKLtu1Ccs+UamlPj9eQ12/WXFgS0uDPmPmB26MCpl7U="
   },
-  "gobject-0.3.0-Skun7HlFnQBaCs-ZxA9JLd_QV9wbvrnfoJDzPx96IDLc": {
+  "gobject-0.3.0-Skun7ET3nQAc0LzvO0NAvTiGGnmkF36cnmbeCAF6MB7Z": {
     "name": "gobject",
-    "url": "https://github.com/jcollie/ghostty-gobject/releases/download/0.14.1-2025-08-30-39-1/ghostty-gobject-0.14.1-2025-08-30-39-1.tar.zst",
-    "hash": "sha256-e/HM6V8s0flOVMelia453vAs4jH4jy7QArPiIsS/k74="
+    "url": "https://github.com/jcollie/ghostty-gobject/releases/download/0.15.1-2025-09-04-48-1/ghostty-gobject-0.15.1-2025-09-04-48-1.tar.zst",
+    "hash": "sha256-h6aKUerGlX2ATVEeoN03eWaqDqvUmKdedgpxrSoHvrY="
   },
   "N-V-__8AALiNBAA-_0gprYr92CjrMj1I5bqNu0TSJOnjFNSr": {
     "name": "gtk4_layer_shell",
diff --git a/build.zig.zon.nix b/build.zig.zon.nix
index e5eda6473..866da31ea 100644
--- a/build.zig.zon.nix
+++ b/build.zig.zon.nix
@@ -123,11 +123,11 @@ in
       };
     }
     {
-      name = "gobject-0.3.0-Skun7HlFnQBaCs-ZxA9JLd_QV9wbvrnfoJDzPx96IDLc";
+      name = "gobject-0.3.0-Skun7ET3nQAc0LzvO0NAvTiGGnmkF36cnmbeCAF6MB7Z";
       path = fetchZigArtifact {
         name = "gobject";
-        url = "https://github.com/jcollie/ghostty-gobject/releases/download/0.14.1-2025-08-30-39-1/ghostty-gobject-0.14.1-2025-08-30-39-1.tar.zst";
-        hash = "sha256-e/HM6V8s0flOVMelia453vAs4jH4jy7QArPiIsS/k74=";
+        url = "https://github.com/jcollie/ghostty-gobject/releases/download/0.15.1-2025-09-04-48-1/ghostty-gobject-0.15.1-2025-09-04-48-1.tar.zst";
+        hash = "sha256-h6aKUerGlX2ATVEeoN03eWaqDqvUmKdedgpxrSoHvrY=";
       };
     }
     {
diff --git a/build.zig.zon.txt b/build.zig.zon.txt
index fc2fd64d9..c2d45a16e 100644
--- a/build.zig.zon.txt
+++ b/build.zig.zon.txt
@@ -27,7 +27,7 @@ https://deps.files.ghostty.org/wuffs-122037b39d577ec2db3fd7b2130e7b69ef6cc1807d6
 https://deps.files.ghostty.org/zig_js-12205a66d423259567764fa0fc60c82be35365c21aeb76c5a7dc99698401f4f6fefc.tar.gz
 https://deps.files.ghostty.org/ziglyph-b89d43d1e3fb01b6074bc1f7fc980324b04d26a5.tar.gz
 https://deps.files.ghostty.org/zlib-1220fed0c74e1019b3ee29edae2051788b080cd96e90d56836eea857b0b966742efb.tar.gz
-https://github.com/jcollie/ghostty-gobject/releases/download/0.14.1-2025-08-30-39-1/ghostty-gobject-0.14.1-2025-08-30-39-1.tar.zst
+https://github.com/jcollie/ghostty-gobject/releases/download/0.15.1-2025-09-04-48-1/ghostty-gobject-0.15.1-2025-09-04-48-1.tar.zst
 https://github.com/mbadolato/iTerm2-Color-Schemes/archive/6cdbc8501d48601302e32d6b53e9e7934bf354b4.tar.gz
 https://github.com/mitchellh/libxev/archive/7f803181b158a10fec8619f793e3b4df515566cb.tar.gz
 https://github.com/mitchellh/zig-objc/archive/c9e917a4e15a983b672ca779c7985d738a2d517c.tar.gz
diff --git a/flatpak/zig-packages.json b/flatpak/zig-packages.json
index a452d75c0..0663b41df 100644
--- a/flatpak/zig-packages.json
+++ b/flatpak/zig-packages.json
@@ -31,9 +31,9 @@
   },
   {
     "type": "archive",
-    "url": "https://github.com/jcollie/ghostty-gobject/releases/download/0.14.1-2025-08-30-39-1/ghostty-gobject-0.14.1-2025-08-30-39-1.tar.zst",
-    "dest": "vendor/p/gobject-0.3.0-Skun7HlFnQBaCs-ZxA9JLd_QV9wbvrnfoJDzPx96IDLc",
-    "sha256": "7bf1cce95f2cd1f94e54c7a589ae39def02ce231f88f2ed002b3e222c4bf93be"
+    "url": "https://github.com/jcollie/ghostty-gobject/releases/download/0.15.1-2025-09-04-48-1/ghostty-gobject-0.15.1-2025-09-04-48-1.tar.zst",
+    "dest": "vendor/p/gobject-0.3.0-Skun7ET3nQAc0LzvO0NAvTiGGnmkF36cnmbeCAF6MB7Z",
+    "sha256": "87a68a51eac6957d804d511ea0dd377966aa0eabd498a75e760a71ad2a07beb6"
   },
   {
     "type": "archive",