diff --git a/INSTALL b/INSTALL
index 6c8b5ea651..cc165580f2 100644
--- a/INSTALL
+++ b/INSTALL
@@ -6,12 +6,20 @@ System requirements:
   * C++ toolchain such as g++ 7 or later
   * CMake version 3.5 or later
   * Qt 5 toolkit
+  * Community QtWebKit version 5.212 or later
   * Python 2.7 (to run the tests)
 
 
 Installation on Linux
 ---------------------
 
+Due to the required QtWebKit >= 5.212, only the following distributions will
+be supported:
+
+  * Debian 10 (buster) or later
+  * Ubuntu 18.04 (bionic) or later
+  * Fedora 28 or later
+
 On Debian/Ubuntu, the requirements can be fulfilled by installing these packages:
 
   sudo apt install g++ cmake qt5-default libqt5webkit5-dev python
diff --git a/src/phantom.cpp b/src/phantom.cpp
index 9565a89ea4..441cbde9e1 100644
--- a/src/phantom.cpp
+++ b/src/phantom.cpp
@@ -39,6 +39,7 @@
 #include <QMetaProperty>
 #include <QScreen>
 #include <QStandardPaths>
+#include <QtWebKitVersion>
 #include <QtWebKitWidgets/QWebPage>
 
 #include "callback.h"
@@ -52,6 +53,10 @@
 #include "webpage.h"
 #include "webserver.h"
 
+#if QTWEBKIT_VERSION < ((5<<16) | (212<<8))
+#error "This version of QtWebKit is not supported. Please use QtWebKit >= 5.212"
+#endif
+
 static Phantom* phantomInstance = NULL;
 
 // private: