diff --git a/tgcalls/utils/gzip.h b/tgcalls/utils/gzip.h
index a3f3ea2..056205b 100644
--- a/tgcalls/utils/gzip.h
+++ b/tgcalls/utils/gzip.h
@@ -1,6 +1,7 @@
 #ifndef TGCALLS_UTILS_GZIP_H
 #define TGCALLS_UTILS_GZIP_H
 
+#include <cstdint>
 #include <absl/types/optional.h>
 #include <vector>