diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 36186ad..b594f75 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,9 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+env:
+  zig_version: 0.13.0
+
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   test:
@@ -21,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: goto-bus-stop/setup-zig@v2
         with:
-          version: 0.12.0
+          version: ${{ env.zig_version }}
       - run: zig build test
   lint:
     runs-on: ubuntu-latest
@@ -29,5 +32,5 @@ jobs:
       - uses: actions/checkout@v3
       - uses: goto-bus-stop/setup-zig@v2
         with:
-          version: 0.12.0
+          version: ${{ env.zig_version }}
       - run: zig fmt --check .
diff --git a/.gitignore b/.gitignore
index 3143faa..478244a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ zig-out/
 /build-*/
 /docgen_tmp/
 /.direnv/
+/.zig-cache/
diff --git a/build.zig.zon b/build.zig.zon
index 7d4237a..88d020c 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -1,7 +1,7 @@
 .{
     .name = "zig-csv",
     .version = "0.0.1",
-    .minimum_zig_version = "0.12.0",
+    .minimum_zig_version = "0.13.0",
     .dependencies = .{},
     .paths = .{
         "build.zig",
diff --git a/flake.lock b/flake.lock
index dcf1686..6b7db10 100644
--- a/flake.lock
+++ b/flake.lock
@@ -3,11 +3,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
         "type": "github"
       },
       "original": {
@@ -19,11 +19,11 @@
     "flake-compat_2": {
       "flake": false,
       "locked": {
-        "lastModified": 1673956053,
-        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
         "type": "github"
       },
       "original": {
@@ -51,12 +51,15 @@
       }
     },
     "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
         "type": "github"
       },
       "original": {
@@ -67,7 +70,7 @@
     },
     "flake-utils_3": {
       "inputs": {
-        "systems": "systems_2"
+        "systems": "systems_3"
       },
       "locked": {
         "lastModified": 1710146030,
@@ -84,12 +87,15 @@
       }
     },
     "flake-utils_4": {
+      "inputs": {
+        "systems": "systems_4"
+      },
       "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "lastModified": 1705309234,
+        "narHash": "sha256-uNRRNRKmJyCRC/8y1RqBkqWBLM034y4qN7EprSdmgyA=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "rev": "1ef2e671c3b0c19053962c07dbda38332dcebf26",
         "type": "github"
       },
       "original": {
@@ -122,13 +128,13 @@
     "langref": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-94broSBethRhPJr0G9no4TPyB8ee6BQ/hHK1QnLPln0=",
+        "narHash": "sha256-O6p2tiKD8ZMhSX+DeA/o5hhAvcPkU2J9lFys/r11peY=",
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ziglang/zig/54bbc73f8502fe073d385361ddb34a43d12eec39/doc/langref.html.in"
+        "url": "https://raw.githubusercontent.com/ziglang/zig/0fb2015fd3422fc1df364995f9782dfe7255eccd/doc/langref.html.in"
       },
       "original": {
         "type": "file",
-        "url": "https://raw.githubusercontent.com/ziglang/zig/54bbc73f8502fe073d385361ddb34a43d12eec39/doc/langref.html.in"
+        "url": "https://raw.githubusercontent.com/ziglang/zig/0fb2015fd3422fc1df364995f9782dfe7255eccd/doc/langref.html.in"
       }
     },
     "nixpkgs": {
@@ -149,32 +155,32 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1702350026,
-        "narHash": "sha256-A+GNZFZdfl4JdDphYKBJ5Ef1HOiFsP18vQe9mqjmUis=",
+        "lastModified": 1708161998,
+        "narHash": "sha256-6KnemmUorCvlcAvGziFosAVkrlWZGIc6UNT9GUYr0jQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9463103069725474698139ab10f17a9d125da859",
+        "rev": "84d981bae8b5e783b3b548de505b22880559515f",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-23.05",
+        "ref": "nixos-23.11",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1712757991,
-        "narHash": "sha256-kR7C7Fqt3JP40h0mzmSZeWI5pk1iwqj4CSeGjnUbVHc=",
+        "lastModified": 1717696253,
+        "narHash": "sha256-1+ua0ggXlYYPLTmMl3YeYYsBXDSCqT+Gw3u6l4gvMhA=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d6b3ddd253c578a7ab98f8011e59990f21dc3932",
+        "rev": "9b5328b7f761a7bbdc0e332ac4cf076a3eedb89b",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "nixos-24.05",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -217,6 +223,36 @@
         "type": "github"
       }
     },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "zig": {
       "inputs": {
         "flake-compat": "flake-compat",
@@ -224,11 +260,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1713745451,
-        "narHash": "sha256-j5/bimg/wI14yTDUXZcSQRosV1LIOYuxYkZjvVJC/yg=",
+        "lastModified": 1717848532,
+        "narHash": "sha256-d+xIUvSTreHl8pAmU1fnmkfDTGQYCn2Rb/zOwByxS2M=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "2c86c36e7fe65faac08bdf85d041cf7b798f8ee8",
+        "rev": "02fc5cc555fc14fda40c42d7c3250efa43812b43",
         "type": "github"
       },
       "original": {
@@ -247,11 +283,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1712794997,
-        "narHash": "sha256-H1sVVagnlL6xmvSVELGMEAhvJHv4auAY3B97Oi2I8uo=",
+        "lastModified": 1717848532,
+        "narHash": "sha256-d+xIUvSTreHl8pAmU1fnmkfDTGQYCn2Rb/zOwByxS2M=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "9687044a467176bea9e3f0a972143bcbad5dae90",
+        "rev": "02fc5cc555fc14fda40c42d7c3250efa43812b43",
         "type": "github"
       },
       "original": {
@@ -269,15 +305,16 @@
         "zig-overlay": "zig-overlay"
       },
       "locked": {
-        "lastModified": 1713742752,
-        "narHash": "sha256-mVc0Kig80StZd3rLYuDVJ3jvFmEFepJubfzttuBOS48=",
+        "lastModified": 1717891507,
+        "narHash": "sha256-l/Zo1OwdB3js3wXOpgFLozKwq+bdsPySZtKbEbYBb7U=",
         "owner": "zigtools",
         "repo": "zls",
-        "rev": "07508440588bf06f041da9f6dd3956948368f194",
+        "rev": "a26718049a8657d4da04c331aeced1697bc7652b",
         "type": "github"
       },
       "original": {
         "owner": "zigtools",
+        "ref": "refs/tags/0.13.0",
         "repo": "zls",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 9829bf8..f7b983d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,8 +7,7 @@
     nixpkgs.url = "github:nixos/nixpkgs/ff1a94e523ae9fb272e0581f068baee5d1068476";
     flake-utils.url = "github:numtide/flake-utils";
     zig.url = "github:mitchellh/zig-overlay";
-    # target ZLS master until ZLS release targeting Zig 0.12 is available
-    zls.url = "github:zigtools/zls";
+    zls.url = "github:zigtools/zls?ref=refs/tags/0.13.0";
   };
 
   outputs = {
@@ -33,7 +32,7 @@
         in rec {
           devShells.default = pkgs.mkShell {
             nativeBuildInputs = [
-              pkgs.zigpkgs."0.12.0"
+              pkgs.zigpkgs."0.13.0"
             ];
             buildInputs = [
               pkgs.zlspkgs.zls