diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,6 +25,7 @@
     Network
     Quick
     Widgets
+    Xml
 )
 
 find_package(KF5 ${KF5_MIN_VERSION} REQUIRED
diff --git a/vpn/openconnect/CMakeLists.txt b/vpn/openconnect/CMakeLists.txt
--- a/vpn/openconnect/CMakeLists.txt
+++ b/vpn/openconnect/CMakeLists.txt
@@ -49,6 +49,7 @@
             KF5::IconThemes
             KF5::KIOWidgets
             KF5::CoreAddons
+            Qt5::Xml
             ${OPENCONNECT_LIBRARIES}
             ${maybe_OPENSSL_LIBRARIES}
         )