diff --git a/debian/patches/20_update_soversion.cmake b/debian/patches/20_update_soversion.cmake
index 9316247..d20ad84 100644
--- a/debian/patches/20_update_soversion.cmake
+++ b/debian/patches/20_update_soversion.cmake
@@ -1,11 +1,16 @@
-Description: Expand so-version to 3.11
-Author: Anton Gladky <gladk@debian.org>
-Last-Update: 2021-08-18
+From: Anton Gladky <gladk@debian.org>
+Date: Fri, 16 Dec 2022 10:44:58 +0800
+Subject: Expand so-version to 3.11
 
-Index: freeglut-3.4.0/CMakeLists.txt
-===================================================================
---- freeglut-3.4.0.orig/CMakeLists.txt
-+++ freeglut-3.4.0/CMakeLists.txt
+Last-Update: 2021-08-18
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 832d867..1155ae7 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
 @@ -475,7 +475,7 @@ ELSE()
      ENDIF()