diff --git a/src/sql/ColumnType.h b/src/sql/ColumnType.h
index ff8fd540..127f84b5 100644
--- a/src/sql/ColumnType.h
+++ b/src/sql/ColumnType.h
@@ -2,6 +2,7 @@
 #define SQLPARSER_COLUMN_TYPE_H
 
 #include <ostream>
+#include <stdint.h>
 
 namespace hsql {
 enum class DataType {
diff --git a/src/sql/Expr.cpp b/src/sql/Expr.cpp
index 7b788f99..99ecd2f6 100644
--- a/src/sql/Expr.cpp
+++ b/src/sql/Expr.cpp
@@ -1,6 +1,7 @@
 #include "Expr.h"
 #include <stdio.h>
 #include <string.h>
+#include <stdint.h>
 #include "SelectStatement.h"
 
 namespace hsql {
diff --git a/src/sql/statements.cpp b/src/sql/statements.cpp
index 45a6bb5f..ed8d9d4d 100644
--- a/src/sql/statements.cpp
+++ b/src/sql/statements.cpp
@@ -1,5 +1,6 @@
 #include "statements.h"
 #include "AlterStatement.h"
+#include <stdint.h>
 
 namespace hsql {
 
diff --git a/src/util/sqlhelper.cpp b/src/util/sqlhelper.cpp
index 7c2f16d9..1163b623 100644
--- a/src/util/sqlhelper.cpp
+++ b/src/util/sqlhelper.cpp
@@ -4,6 +4,7 @@
 #include <map>
 #include <sstream>
 #include <string>
+#include <stdint.h>
 
 namespace hsql {