diff --git a/build.zig b/build.zig
index 601ef7949..0d8f25ed0 100644
--- a/build.zig
+++ b/build.zig
@@ -6,7 +6,7 @@ const builtin = @import("builtin");
 const zls_version = std.SemanticVersion{ .major = 0, .minor = 14, .patch = 0, .pre = "dev" };
 
 /// Specify the minimum Zig version that is required to compile and test ZLS:
-/// compiler: remove anonymous struct types, unify all tuples
+/// Sema: disallow unsafe in-memory coercions #22243
 ///
 /// If you do not use Nix, a ZLS maintainer can take care of this.
 /// Whenever this version is increased, run the following command:
@@ -15,7 +15,7 @@ const zls_version = std.SemanticVersion{ .major = 0, .minor = 14, .patch = 0, .p
 /// ```
 ///
 /// Must match the `minimum_zig_version` in `build.zig.zon`.
-const minimum_build_zig_version = "0.14.0-dev.2088+3f7fac5ff";
+const minimum_build_zig_version = "0.14.0-dev.2506+32354d119";
 
 /// Specify the minimum Zig version that is required to run ZLS:
 /// Release 0.12.0
diff --git a/build.zig.zon b/build.zig.zon
index 227dae2b2..d3ecc1eee 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -3,7 +3,7 @@
     // Must match the `zls_version` in `build.zig`
     .version = "0.14.0-dev",
     // Must match the `minimum_build_zig_version` in `build.zig`
-    .minimum_zig_version = "0.14.0-dev.2088+3f7fac5ff",
+    .minimum_zig_version = "0.14.0-dev.2506+32354d119",
     // If you do not use Nix, a ZLS maintainer can take care of this.
     // Whenever the dependencies are updated, run the following command:
     // ```bash
diff --git a/flake.lock b/flake.lock
index 1a00f3beb..d0f77e352 100644
--- a/flake.lock
+++ b/flake.lock
@@ -74,11 +74,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733412085,
-        "narHash": "sha256-FillH0qdWDt/nlO6ED7h4cmN+G9uXwGjwmCnHs0QVYM=",
+        "lastModified": 1734323986,
+        "narHash": "sha256-m/lh6hYMIWDYHCAsn81CDAiXoT3gmxXI9J987W5tZrE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "4dc2fc4e62dbf62b84132fe526356fbac7b03541",
+        "rev": "394571358ce82dff7411395829aa6a3aad45b907",
         "type": "github"
       },
       "original": {
@@ -135,11 +135,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1733487143,
-        "narHash": "sha256-o4jsVKtInTA0CqwUUdcAxCYAgNLLNo30mLzz3qVc0eY=",
+        "lastModified": 1734437548,
+        "narHash": "sha256-b0mWbOhNuu9m9siL9nCFdzNFmpNPF0+KX22OECk5jpY=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "40e32dd7e083eab4340acd17de47f13d883f257f",
+        "rev": "007fae6a7dbbc26f0165c4590b81362597c31413",
         "type": "github"
       },
       "original": {
diff --git a/src/build_runner/0.12.0.zig b/src/build_runner/0.12.0.zig
index d8e0ca9bd..43a247243 100644
--- a/src/build_runner/0.12.0.zig
+++ b/src/build_runner/0.12.0.zig
@@ -775,20 +775,20 @@ fn workerMakeOneStep(
     }
 }
 
-fn nextArg(args: [][:0]const u8, idx: *usize) ?[:0]const u8 {
+fn nextArg(args: []const [:0]const u8, idx: *usize) ?[:0]const u8 {
     if (idx.* >= args.len) return null;
     defer idx.* += 1;
     return args[idx.*];
 }
 
-fn nextArgOrFatal(args: [][:0]const u8, idx: *usize) [:0]const u8 {
+fn nextArgOrFatal(args: []const [:0]const u8, idx: *usize) [:0]const u8 {
     return nextArg(args, idx) orelse {
         std.debug.print("expected argument after '{s}'\n  access the help menu with 'zig build -h'\n", .{args[idx.* - 1]});
         process.exit(1);
     };
 }
 
-fn argsRest(args: [][:0]const u8, idx: usize) ?[][:0]const u8 {
+fn argsRest(args: []const [:0]const u8, idx: usize) ?[]const [:0]const u8 {
     if (idx >= args.len) return null;
     return args[idx..];
 }