diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..0a80fdce31f59c062e2abba28776e9521eddff30
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.gz filter=lfs diff=lfs merge=lfs -text
diff --git a/.lfsconfig b/.lfsconfig
new file mode 100644
index 0000000000000000000000000000000000000000..3ed8202faeed1a6effce549e479b1ea3210d9fb5
--- /dev/null
+++ b/.lfsconfig
@@ -0,0 +1,2 @@
+[lfs]
+	url = https://artlfs.openeuler.openatom.cn/src-openEuler/zlib-ng
diff --git a/2.2.4.tar.gz b/2.2.4.tar.gz
deleted file mode 100644
index e80c788cd520d6df06ef333a742403764f9a3929..0000000000000000000000000000000000000000
Binary files a/2.2.4.tar.gz and /dev/null differ
diff --git a/2.2.5.tar.gz b/2.2.5.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..30108bb7bb039b4b6a81536527bc8b804115ca75
--- /dev/null
+++ b/2.2.5.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b3b022489f3ced82384f06db1e13ba148cbce38c7941e424d6cb414416acd18
+size 2417402
diff --git a/zlib-ng.spec b/zlib-ng.spec
index ebc93d5cf5c3075be80b483e6b4c8b3c73aef30a..65d1863bf446fc78736914df5017fe98bf082206 100644
--- a/zlib-ng.spec
+++ b/zlib-ng.spec
@@ -2,7 +2,7 @@
 %bcond_with compat
 
 Name:		zlib-ng
-Version:	2.2.4
+Version:	2.2.5
 Release:	1
 Summary:	Zlib data compression library for the next generation systems
 License:	zlib
@@ -132,6 +132,9 @@ _EOF_
 %endif
 
 %changelog
+* Sat Aug 09 2025 Funda Wang <fundawang@yeah.net> - 2.2.5-1
+- update to 2.2.5
+
 * Fri Feb 14 2025 Funda Wang <fundawang@yeah.net> - 2.2.4-1
 - update to 2.2.4