diff --git a/src/decode/zigzag_decode_scalar.hpp b/src/decode/zigzag_decode_scalar.hpp
index 70b3819..913b44c 100644
--- a/src/decode/zigzag_decode_scalar.hpp
+++ b/src/decode/zigzag_decode_scalar.hpp
@@ -4,6 +4,7 @@
 #include "branch_prediction.h"
 #include <config.h>
 #include <iostream>
+#include <cstdint>
 
 #ifdef PRINT_BENCHMARK
 #include <chrono>
diff --git a/src/decode/zigzag_decode_vectorized.hpp b/src/decode/zigzag_decode_vectorized.hpp
index dabf161..d7dfb73 100644
--- a/src/decode/zigzag_decode_vectorized.hpp
+++ b/src/decode/zigzag_decode_vectorized.hpp
@@ -4,6 +4,7 @@
 #include "branch_prediction.h"
 #include <config.h>
 #include <iostream>
+#include <cstdint>
 
 #ifdef __NEON__
 #include "sse2neon.h"
diff --git a/src/encode/zigzag_encode_scalar.hpp b/src/encode/zigzag_encode_scalar.hpp
index 0ef9d5f..6f8e240 100644
--- a/src/encode/zigzag_encode_scalar.hpp
+++ b/src/encode/zigzag_encode_scalar.hpp
@@ -4,6 +4,7 @@
 #include "branch_prediction.h"
 #include <config.h>
 #include <iostream>
+#include <cstdint>
 
 #ifdef PRINT_BENCHMARK
 #include <chrono>
diff --git a/src/encode/zigzag_encode_vectorized.hpp b/src/encode/zigzag_encode_vectorized.hpp
index 547f287..4e8f3b3 100644
--- a/src/encode/zigzag_encode_vectorized.hpp
+++ b/src/encode/zigzag_encode_vectorized.hpp
@@ -4,6 +4,7 @@
 #include "branch_prediction.h"
 #include <config.h>
 #include <iostream>
+#include <cstdint>
 
 #ifdef __NEON__
 #include "sse2neon.h"