diff --git a/include/internal/clara.h b/include/internal/clara.h
index c7c5052f..6493e01b 100644
--- a/include/internal/clara.h
+++ b/include/internal/clara.h
@@ -26,6 +26,7 @@
 #include <vector>
 #include <map>
 #include <algorithm>
+#include <stdexcept>
 
 // Use optional outer namespace
 #ifdef CLICHE_CLARA_OUTER_NAMESPACE