diff --git a/Ast/include/Luau/Ast.h b/Ast/include/Luau/Ast.h
index 20158e8e..a486ad0f 100644
--- a/Ast/include/Luau/Ast.h
+++ b/Ast/include/Luau/Ast.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include <string.h>
+#include <stdint.h>
 
 namespace Luau
 {
diff --git a/Ast/src/StringUtils.cpp b/Ast/src/StringUtils.cpp
index 343c553c..d7099a31 100644
--- a/Ast/src/StringUtils.cpp
+++ b/Ast/src/StringUtils.cpp
@@ -7,6 +7,7 @@
 #include <vector>
 #include <string>
 #include <string.h>
+#include <stdint.h>
 
 namespace Luau
 {