diff --git a/src/utils/sha1.cpp b/src/utils/sha1.cpp
index 1a0d185..47378c9 100644
--- a/src/utils/sha1.cpp
+++ b/src/utils/sha1.cpp
@@ -13,6 +13,7 @@
 # include <vector>
 # include <iomanip>
 # include <sstream>
+# include <cstdint>
 #endif
 
 std::string sha1(const std::string& input)