diff --git a/flake.lock b/flake.lock
index 2f2ffe2..55d5bcb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -109,11 +109,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1704500574,
-        "narHash": "sha256-Ockm1D5QsxdVZZoD0Yf5Kg4FupbVnk3X0RLkc6geRIE=",
+        "lastModified": 1710331756,
+        "narHash": "sha256-ZYFHWEHupxj/e9jOcjUOJLVTuvMR4fYMV53F0zu8Rfs=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "e056aafd8db157ff7519518a026c5ba7040522cf",
+        "rev": "510a1f01f1ddc06df0f2b888f12ad1aa9a65cc31",
         "type": "github"
       },
       "original": {
diff --git a/src/block.zig b/src/block.zig
index 92eec34..cfffc4b 100644
--- a/src/block.zig
+++ b/src/block.zig
@@ -192,7 +192,7 @@ fn BlockContext(comptime Captures: type, comptime InvokeFn: type) type {
 
     return @Type(.{
         .Struct = .{
-            .layout = .Extern,
+            .layout = .@"extern",
             .fields = &fields,
             .decls = &.{},
             .is_tuple = false,
diff --git a/src/encoding.zig b/src/encoding.zig
index c028576..edd247f 100644
--- a/src/encoding.zig
+++ b/src/encoding.zig
@@ -121,7 +121,7 @@ pub const Encoding = union(enum) {
             },
             .structure => |s| {
                 const struct_info = @typeInfo(s.struct_type);
-                assert(struct_info.Struct.layout == .Extern);
+                assert(struct_info.Struct.layout == .@"extern");
 
                 // Strips the fully qualified type name to leave just the
                 // type name. Used in naming the Struct in an encoding.
@@ -143,7 +143,7 @@ pub const Encoding = union(enum) {
             },
             .@"union" => |u| {
                 const union_info = @typeInfo(u.union_type);
-                assert(union_info.Union.layout == .Extern);
+                assert(union_info.Union.layout == .@"extern");
 
                 // Strips the fully qualified type name to leave just the
                 // type name. Used in naming the Union in an encoding