diff -Nru optipng-7.9.1+ds/debian/changelog optipng-7.9.1+ds/debian/changelog
--- optipng-7.9.1+ds/debian/changelog	2025-08-14 18:32:24.000000000 +0800
+++ optipng-7.9.1+ds/debian/changelog	2025-08-16 18:43:56.000000000 +0800
@@ -1,3 +1,9 @@
+optipng (7.9.1+ds-1.1) UNRELEASED; urgency=medium
+
+  * Add camke in debian/control.
+
+ -- Gui-Yue <yuemeng.gui@gmail.com>  Sat, 16 Aug 2025 18:43:56 +0800
+
 optipng (7.9.1+ds-1) unstable; urgency=medium
 
   * Team upload.
diff -Nru optipng-7.9.1+ds/debian/control optipng-7.9.1+ds/debian/control
--- optipng-7.9.1+ds/debian/control	2024-12-30 10:34:47.000000000 +0800
+++ optipng-7.9.1+ds/debian/control	2025-08-16 18:43:48.000000000 +0800
@@ -6,6 +6,7 @@
     Emmanuel Bouthenot <kolter@debian.org>
 Build-Depends:
     debhelper-compat (= 13),
+    cmake,
     zlib1g-dev,
     libpng-dev,
 Standards-Version: 4.6.2