diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 24b5342dd1..4c5651c873 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,6 +4,7 @@
 include:
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux.yml
   - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd.yml
+  - https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux-qt6.yml
 
 suse_tumbleweed_qt515_reduced_featureset:
     extends: suse_tumbleweed_qt515
diff --git a/.kde-ci.yml b/.kde-ci.yml
index 76e651b1a7..354405a61d 100644
--- a/.kde-ci.yml
+++ b/.kde-ci.yml
@@ -37,4 +37,4 @@ Dependencies:
 
 Options:
   use-ccache: True
-  require-passing-tests-on: [ 'Linux']
+  require-passing-tests-on: [ 'Linux/Qt5']
diff --git a/src/backends/drm/drm_object.h b/src/backends/drm/drm_object.h
index 68f85073a8..c6bb0b2e57 100644
--- a/src/backends/drm/drm_object.h
+++ b/src/backends/drm/drm_object.h
@@ -12,6 +12,8 @@
 #include <QMap>
 #include <QVector>
 
+#include <vector>
+
 // drm
 #include <xf86drmMode.h>
 
diff --git a/src/core/colortransformation.h b/src/core/colortransformation.h
index bfb3947ab8..51dd22783a 100644
--- a/src/core/colortransformation.h
+++ b/src/core/colortransformation.h
@@ -8,10 +8,10 @@
 */
 #pragma once
 
-#include <QVector>
 #include <memory>
 #include <stdint.h>
 #include <tuple>
+#include <vector>
 
 #include "kwin_export.h"
 
diff --git a/src/scripting/scriptedeffect.cpp b/src/scripting/scriptedeffect.cpp
index 94997e0fdd..e0ba99e4a0 100644
--- a/src/scripting/scriptedeffect.cpp
+++ b/src/scripting/scriptedeffect.cpp
@@ -27,6 +27,7 @@
 #include <QFile>
 #include <QQmlEngine>
 #include <QStandardPaths>
+#include <QVector>
 
 #include <optional>