diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36663a7..627dc0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
       - run: zig build test
 
   build:
@@ -25,5 +25,5 @@ jobs:
       - uses: actions/checkout@v6
       - uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
       - run: zig build -Dtarget=${{ matrix.target }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 686fd7f..4c2d97a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,12 +22,12 @@ jobs:
           - target: x86_64-windows
             artifact: ziglint-x86_64-windows
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Zig
         uses: mlugg/setup-zig@v2
         with:
-          version: 0.15.2
+          version: 0.16.0
 
       - name: Build
         run: zig build -Doptimize=ReleaseFast -Dtarget=${{ matrix.target }}
@@ -54,7 +54,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download all artifacts
         uses: actions/download-artifact@v4
diff --git a/build.zig.zon b/build.zig.zon
index 3896665..41a94a4 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -2,7 +2,7 @@
     .name = .ziglint,
     .version = "0.5.2",
     .fingerprint = 0x4b7deecc2ff046b7,
-    .minimum_zig_version = "0.15.2",
+    .minimum_zig_version = "0.16.0",
     .paths = .{
         "build.zig",
         "build.zig.zon",
diff --git a/flake.lock b/flake.lock
index c8006f4..faed4d4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,38 +18,19 @@
         "type": "github"
       }
     },
-    "flake-utils_2": {
-      "inputs": {
-        "systems": "systems_2"
-      },
-      "locked": {
-        "lastModified": 1731533236,
-        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
     "mattware": {
       "inputs": {
-        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
         ],
         "treefmt-nix": "treefmt-nix"
       },
       "locked": {
-        "lastModified": 1769379533,
-        "narHash": "sha256-6td2HWGfSsDBGUuNiSBJWi9g+rlXV/ofFj/3I7Cjf3Y=",
+        "lastModified": 1779338067,
+        "narHash": "sha256-GNLYE11onSW2ejYny0REOARb7YnfEvtCvdAYNBSUy+U=",
         "owner": "mattrobenolt",
         "repo": "nixpkgs",
-        "rev": "7929699dfb372f8bfbd93b24460e35089b49eedb",
+        "rev": "43044093d1939ef08f8f4eba36a4f67ddffdda43",
         "type": "github"
       },
       "original": {
@@ -60,11 +41,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1769461804,
-        "narHash": "sha256-msG8SU5WsBUfVVa/9RPLaymvi5bI8edTavbIq3vRlhI=",
+        "lastModified": 1778869304,
+        "narHash": "sha256-30sZNZoA1cqF5JNO9fVX+wgiQYjB7HJqqJ4ztCDeBZE=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "bfc1b8a4574108ceef22f02bafcf6611380c100d",
+        "rev": "d233902339c02a9c334e7e593de68855ad26c4cb",
         "type": "github"
       },
       "original": {
@@ -96,21 +77,6 @@
         "type": "github"
       }
     },
-    "systems_2": {
-      "locked": {
-        "lastModified": 1681028828,
-        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
-        "owner": "nix-systems",
-        "repo": "default",
-        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "default",
-        "type": "github"
-      }
-    },
     "treefmt-nix": {
       "inputs": {
         "nixpkgs": [
@@ -119,11 +85,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1768158989,
-        "narHash": "sha256-67vyT1+xClLldnumAzCTBvU0jLZ1YBcf4vANRWP3+Ak=",
+        "lastModified": 1775636079,
+        "narHash": "sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "e96d59dff5c0d7fddb9d113ba108f03c3ef99eca",
+        "rev": "790751ff7fd3801feeaf96d7dc416a8d581265ba",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 8b74d20..d8b0f60 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,9 +28,8 @@
       {
         devShells.default = pkgs.mkShell {
           packages = with pkgs; [
-            zig_0_15
-            zls_0_15
-            zlint
+            zig_0_16
+            zls_0_16
             zigdoc
           ];