diff --git a/common/check_new_version.cpp b/common/check_new_version.cpp
index 2d94f323..501191b0 100644
--- a/common/check_new_version.cpp
+++ b/common/check_new_version.cpp
@@ -9,6 +9,7 @@
 #include <QTimer>
 #include <QNetworkRequest>
 #include <QNetworkReply>
+#include <QRegExp>
 
 #define PREVIOUS_VERSION_TESTING "6.0.0"