diff --git a/modules/core/include/packio/core/compression.h b/modules/core/include/packio/core/compression.h
index f175d9a..2371bea 100644
--- a/modules/core/include/packio/core/compression.h
+++ b/modules/core/include/packio/core/compression.h
@@ -28,8 +28,8 @@ SOFTWARE.
 #include <sstream>
 #include <vector>
 #include <stdexcept>
-#include <array>
-#include <algorithm> // std::equal
+#include <algorithm> 
+#include <cstdint>
 
 
 namespace packio