diff --git a/src/deps/picohttp.zig b/src/deps/picohttp.zig
index 6c00c185b1..d822b5d731 100644
--- a/src/deps/picohttp.zig
+++ b/src/deps/picohttp.zig
@@ -91,7 +91,7 @@ pub const Response = struct {
     minor_version: usize,
     status_code: usize,
     status: []const u8,
-    headers: []const Header,
+    headers: []Header,
     bytes_read: c_int = 0,
 
     pub fn format(self: Response, comptime _: []const u8, _: fmt.FormatOptions, writer: anytype) !void {