diff --git a/build.zig b/build.zig
index a5d351bca..bbe1796fe 100644
--- a/build.zig
+++ b/build.zig
@@ -20,7 +20,7 @@ const Version = @import("src/build/Version.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.2063+804cee3b9";
+    const required_zig = "0.12.0-dev.2059+42389cb9c";
     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 356fa52f7..1afd95ba7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -194,11 +194,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1702850407,
-        "narHash": "sha256-dG9eKPJXgZNcXkNJwBdx/7byx08Z3ppXU1E54EY1/t0=",
+        "lastModified": 1704542888,
+        "narHash": "sha256-Fb8tc4cXUkWw+Fva6JKbjkFFpZwu4c+ictSAQGEYjIM=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "f5d3c30b3f36ec5d3d5dd81fad850f5523767e5d",
+        "rev": "112cfb72e47cb85d17fc8075a4d70ab56964453d",
         "type": "github"
       },
       "original": {