diff --git a/debian/changelog b/debian/changelog
index b468ef8..cdae28e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ksudoku (4:21.08.0-1deepin1) unstable; urgency=medium
+
+  * fix: adapt KF5KDEGames to newer system version
+
+ -- sisungo <sisungo@icloud.com>  Sat, 8 Nov 2025 16:38:21 +0800
+
 ksudoku (4:21.08.0-1) unstable; urgency=medium
 
   [ Norbert Preining ]
diff --git a/debian/patches/adapt-kf5kdegames-version.diff b/debian/patches/adapt-kf5kdegames-version.diff
new file mode 100644
index 0000000..e95aae1
--- /dev/null
+++ b/debian/patches/adapt-kf5kdegames-version.diff
@@ -0,0 +1,11 @@
+--- ksudoku-21.08.0.orig/CMakeLists.txt
++++ ksudoku-21.08.0/CMakeLists.txt
+@@ -31,7 +31,7 @@ find_package(KF5 ${KF5_MIN_VERSION} REQU
+     XmlGui
+ )
+ 
+-find_package(KF5KDEGames 4.9.0 REQUIRED)
++find_package(KF5KDEGames 7.5 REQUIRED)
+ 
+ find_package(Qt5OpenGL ${QT_MIN_VERSION})
+ find_package(OpenGL)
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
index 0000000..69c21d1
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+adapt-kf5kdegames-version.diff