diff --git a/build.zig b/build.zig
index 8cc03d0..cbee362 100644
--- a/build.zig
+++ b/build.zig
@@ -46,6 +46,8 @@ pub fn build(b: *std.Build) void {
     .flags = &tempest_compiler_flags
   });
 
+  tempest.installHeadersDirectory(b.path("tempest"), "tempest", .{ .include_extensions = &.{"hpp"} });
+
   // TempestTest executable
   const tempest_test_exe = b.addExecutable(.{
     .name = "TempestTest",
diff --git a/build.zig.zon b/build.zig.zon
index de7ec63..eff2a10 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -9,7 +9,7 @@
         },
         .squall = .{
             .url = "https://github.com/thunderbrewhq/squall/archive/refs/heads/master.zip",
-            .hash = "1220c195e9e756cbd479fbf54ee507d82dab99688616ed6fc26a07279526f5eee751",
+            .hash = "1220bd226ad3c1664370d204a12805c35d721682f52b925cd96cc9d99bddf76ed2a5",
         },
     },
 }