diff --git a/tgcalls/utils/gzip.h b/tgcalls/utils/gzip.h
index a3f3ea2..7ae5cc5 100644
--- a/tgcalls/utils/gzip.h
+++ b/tgcalls/utils/gzip.h
@@ -3,6 +3,7 @@
 
 #include <absl/types/optional.h>
 #include <vector>
+#include <cstdint>
 
 namespace tgcalls {