diff --git a/src/parser.yy b/src/parser.yy
index 53293c5..3dbbd05 100644
--- a/src/parser.yy
+++ b/src/parser.yy
@@ -18,6 +18,7 @@
%code requires
{
#include <regex>
+#include <limits>
namespace bpftrace {
class Driver;