diff --git a/build.zig b/build.zig
index 818ef57ef..fc944059b 100644
--- a/build.zig
+++ b/build.zig
@@ -35,7 +35,7 @@ const system_sdk = @import("vendor/mach-glfw/system_sdk.zig");
 // but we liberally update it. In the future, we'll be more careful about
 // using released versions so that package managers can integrate better.
 comptime {
-    const required_zig = "0.12.0-dev.640+937138cb9";
+    const required_zig = "0.12.0-dev.694+937e8cb70";
     const current_zig = builtin.zig_version;
     const min_zig = std.SemanticVersion.parse(required_zig) catch unreachable;
     if (current_zig.order(min_zig) == .lt) {
diff --git a/flake.lock b/flake.lock
index 9c1db9866..8fc1244e1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -276,11 +276,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1695939888,
-        "narHash": "sha256-JgbWB+Al7cM3mYgS7x9EvAfrH2XFPc9Auv/JqurzUFk=",
+        "lastModified": 1696162042,
+        "narHash": "sha256-wx4VOerV9NP3FgpO2XOU3m8wIDMzIxsofwkVftfN0AU=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "eddf1df509d2b2eb3b84e1ad2d515e6612923e4c",
+        "rev": "ef064b830f5327489b616b5ca220f9e82db37806",
         "type": "github"
       },
       "original": {