diff --git a/flake.lock b/flake.lock
index 26823995c..cb80371e2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,11 +38,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1770537093,
-        "narHash": "sha256-XV30uo8tXuxdzuV8l3sojmlPRLd/8tpMsOp4lNzLGUo=",
-        "rev": "fef9403a3e4d31b0a23f0bacebbec52c248fbb51",
+        "lastModified": 1776949667,
+        "narHash": "sha256-Kq5uL1t/WUp+Z3CjXDpoE9seUiUNLqHN3FkiIjneWeA=",
+        "rev": "01fbdeef22b76df85ea168fbfe1bfd9e63681b30",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre942631.fef9403a3e4d/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixpkgs/nixpkgs-26.05pre985930.01fbdeef22b7/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -101,40 +101,18 @@
         "type": "github"
       }
     },
-    "zig_2": {
-      "inputs": {
-        "nixpkgs": [
-          "zon2nix",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1776888758,
-        "narHash": "sha256-OlQexlc8pMXAPhGrT89MtDcPCJv8MsFJcxFPMibRBho=",
-        "ref": "refs/heads/main",
-        "rev": "a380ec6969faf5fae32f08b96f8529a3bca55d42",
-        "revCount": 1672,
-        "type": "git",
-        "url": "https://codeberg.org/jcollie/zig-overlay.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/jcollie/zig-overlay.git"
-      }
-    },
     "zon2nix": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
-        ],
-        "zig": "zig_2"
+        ]
       },
       "locked": {
-        "lastModified": 1776999674,
-        "narHash": "sha256-dEuWd2li80+H7f0k7RA25/Od49G91Pn3El3TcbEpONw=",
+        "lastModified": 1777261004,
+        "narHash": "sha256-0djKIL0E8Y1W495bzIkmbCub571ubghZx3Fg7xQPNrk=",
         "owner": "jcollie",
         "repo": "zon2nix",
-        "rev": "fe860f11b076bba30708d1efb4830459ecf85f0d",
+        "rev": "0251ad79a7c95ba05687a7b0499b90e78699531d",
         "type": "github"
       },
       "original": {
diff --git a/flatpak/zig-packages.json b/flatpak/zig-packages.json
index fb895b016..23411e695 100644
--- a/flatpak/zig-packages.json
+++ b/flatpak/zig-packages.json
@@ -39,7 +39,7 @@
     "type": "archive",
     "url": "https://deps.files.ghostty.org/gobject-2025-11-08-23-1.tar.zst",
     "dest": "vendor/p/gobject-0.3.0-Skun7ANLnwDvEfIpVmohcppXgOvg_I6YOJFmPIsKfXk-",
-    "sha256": "3b14bdfd70b968c263d4a84e7053f565937b3c8e000f0e1fee8731e95eb898e7"
+    "sha256": "d9bd4306f0081d8e4b848b6adfeabd2fab49822ee2b679eb4801dcedf5d60c48"
   },
   {
     "type": "archive",
@@ -87,7 +87,7 @@
     "type": "archive",
     "url": "https://deps.files.ghostty.org/libxev-34fa50878aec6e5fa8f532867001ab3c36fae23e.tar.gz",
     "dest": "vendor/p/libxev-0.0.0-86vtc4IcEwCqEYxEYoN_3KXmc6A9VLcm22aVImfvecYs",
-    "sha256": "d41f68244c55c8e5918fe63d77d78790e05394e62e12473018150a7658118648"
+    "sha256": "6003ea6b96e4a518a128f932327d79a11bd30996b13b73baeb29916379487dd7"
   },
   {
     "type": "archive",
@@ -141,13 +141,13 @@
     "type": "archive",
     "url": "https://deps.files.ghostty.org/uucode-0.2.0-ZZjBPqZVVABQepOqZHR7vV_NcaN-wats0IB6o-Exj6m9.tar.gz",
     "dest": "vendor/p/uucode-0.2.0-ZZjBPqZVVABQepOqZHR7vV_NcaN-wats0IB6o-Exj6m9",
-    "sha256": "8cbae1ae60974354fe2d03f5253041077267fb584265f3836c2e127657cd74a8"
+    "sha256": "d0abee0f4f8bd6eae3c051777e16e7c42d8964aaaa015591c4e565703f465f95"
   },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/vaxis-7dbb9fd3122e4ffad262dd7c151d80d863b68558.tar.gz",
     "dest": "vendor/p/vaxis-0.5.1-BWNV_LosCQAGmCCNOLljCIw6j6-yt53tji6n6rwJ2BhS",
-    "sha256": "cd3cab66b21f7ccf86248b7def7b4a0de58798e0b06e7eca2c3750c5288ad346"
+    "sha256": "2e72332bc89c5b541ec6e6bd48769e1f3fb757c4006f3d1af940b54f9b088ef6"
   },
   {
     "type": "archive",
@@ -177,37 +177,37 @@
     "type": "archive",
     "url": "https://deps.files.ghostty.org/z2d-0.10.0-j5P_Hu-6FgBsZNgwphIqh17jDnj8_yPtD8yzjO6PpHRQ.tar.gz",
     "dest": "vendor/p/z2d-0.10.0-j5P_Hu-6FgBsZNgwphIqh17jDnj8_yPtD8yzjO6PpHRQ",
-    "sha256": "a83f977b19c08d26a7440c2be5921a3d8d5a421356e431552783d82f0848af61"
+    "sha256": "69f21da2efd5ee0937fe55c4d09e48afc4fb2f91a01ef167c8c275ae046797f7"
   },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/zf-3c52637b7e937c5ae61fd679717da3e276765b23.tar.gz",
     "dest": "vendor/p/zf-0.10.3-OIRy8RuJAACKA3Lohoumrt85nRbHwbpMcUaLES8vxDnh",
-    "sha256": "05f01920b8a597723f9c17f5a16c2897becddf825ca66e21b9d0be5d278c8196"
+    "sha256": "3b015d928af04e9e26272bc15eb4dbb4d9a9d469eb6d290a0ddae673b77c4568"
   },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/zig_js-04db83c617da1956ac5adc1cb9ba1e434c1cb6fd.tar.gz",
     "dest": "vendor/p/zig_js-0.0.0-rjCAV-6GAADxFug7rDmPH-uM_XcnJ5NmuAMJCAscMjhi",
-    "sha256": "afa19d5f0aeffa34eed0091397237f16e3be3785fe976d20b1b4b9f70ac4ed5e"
+    "sha256": "4c2018e56015d39504b8090386ad9ce9393f38380085d9c32373bf7e56fc73a3"
   },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/zig_objc-f356ed02833f0f1b8e84d50bed9e807bf7cdc0ae.tar.gz",
     "dest": "vendor/p/zig_objc-0.0.0-Ir_Sp5gTAQCvxxR7oVIrPXxXwsfKgVP7_wqoOQrZjFeK",
-    "sha256": "8d6150e41ad5f3cd2aa9af4aca996d5ae44ba8d4a1db5ac3c6de89c69d04a0c3"
+    "sha256": "dd84af737625356fcd722cb30909f3b2e8d702667cf579714aa7eabc0ac08ecc"
   },
   {
     "type": "archive",
     "url": "https://deps.files.ghostty.org/zig_wayland-1b5c038ec10da20ed3a15b0b2a6db1c21383e8ea.tar.gz",
     "dest": "vendor/p/wayland-0.5.0-dev-lQa1khrMAQDJDwYFKpdH3HizherB7sHo5dKMECfvxQHe",
-    "sha256": "d704648b1cac8dd14ccab013c655ddba401cdf83307cd8f407ac9d6159fe50ac"
+    "sha256": "4f146b735ed0d527f520e3bf71d3e93f72c3d0fa583ae8edd3a4851f7079124e"
   },
   {
     "type": "archive",
     "url": "https://github.com/ivanstepanovftw/zigimg/archive/d7b7ab0ba0899643831ef042bd73289510b39906.tar.gz",
     "dest": "vendor/p/zigimg-0.1.0-8_eo2vHnEwCIVW34Q14Ec-xUlzIoVg86-7FU2ypPtxms",
-    "sha256": "be4713968197faf470edee866092cef5ea1c61a10e6235d8134753ee3b1c6780"
+    "sha256": "2c1ed76ba2b35514544b0c27c9633ecba7c31be9080e37e7a010c93b5a1bc553"
   },
   {
     "type": "archive",
diff --git a/nix/build-support/check-zig-cache.sh b/nix/build-support/check-zig-cache.sh
index 934a3c096..9a3927846 100755
--- a/nix/build-support/check-zig-cache.sh
+++ b/nix/build-support/check-zig-cache.sh
@@ -79,11 +79,6 @@ elif [ "$1" != "--update" ]; then
   exit 1
 fi
 
-# Fetch all dependencies (including lazy ones) into the global cache
-# so that zon2nix can find them when resolving transitive dependencies.
-# Otherwise, lazy dependencies that aren't unpacked will fail below.
-zig build --fetch=all
-
 zon2nix "$BUILD_ZIG_ZON" --15 --nix "$WORK_DIR/build.zig.zon.nix" --txt "$WORK_DIR/build.zig.zon.txt" --json "$WORK_DIR/build.zig.zon.json" --flatpak "$WORK_DIR/zig-packages.json"
 alejandra --quiet "$WORK_DIR/build.zig.zon.nix"
 prettier --log-level warn --write "$WORK_DIR/build.zig.zon.json"
diff --git a/nix/devShell.nix b/nix/devShell.nix
index d1df9fefa..b530c56cd 100644
--- a/nix/devShell.nix
+++ b/nix/devShell.nix
@@ -12,7 +12,7 @@
   #, glxinfo # unused
   ncurses,
   nodejs,
-  nodePackages,
+  prettier,
   oniguruma,
   parallel,
   pkg-config,
@@ -109,7 +109,7 @@ in
         nodejs
 
         # Linting
-        nodePackages.prettier
+        prettier
         alejandra
         pinact
         typos