diff --git a/src/txtz.hpp b/src/txtz.hpp
index 903db58..a0747d4 100644
--- a/src/txtz.hpp
+++ b/src/txtz.hpp
@@ -29,6 +29,7 @@
 #define __TXTZ_HPP__
 
 #include <cstddef>
+#include <cstdint>
 #include <string>
 #include <vector>
 
@@ -67,4 +68,4 @@ namespace txtz
     };
 }
 
-#endif
\ No newline at end of file
+#endif
diff --git a/src/util.cpp b/src/util.cpp
index 7bc8236..e2df368 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -25,6 +25,7 @@
 
 */
 
+#include <cstdint>
 #include <iomanip>
 #include <iostream>
 #include <sstream>
@@ -97,4 +98,4 @@ namespace util
         return count;
     }
 
-}
\ No newline at end of file
+}