diff --git a/nspr-4.20.0-vs-4.26.0.yaml b/nspr-4.20.0-vs-4.26.0.yaml
deleted file mode 100644
index 048c815e50572c0cd0b1fbdfa424282414c0c372..0000000000000000000000000000000000000000
--- a/nspr-4.20.0-vs-4.26.0.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: nspr
-old_version: 4.20.0
-new_version: 4.26.0
-interface_differences:
-- type: 'feature'
-  item: 新增runstatedir
-  diff: 记录可修改的每个过程的数据
-  influence: 功能增强，不影响
-- type: 'ABI'
-  item: prlog.h新增PR_ASSERT_ARG(_expr) PR_ASSERT(_expr)
-  diff: 避免了编译器，警告：未使用的变量
-  influence: 功能增强、优化
-- type: 'feature'
-  item: prsystem.h新增PR_SI_RELEASE_BUILD类型
-  diff: 通过PR_GetSystemInfo可获得的信息类型
-  influence: 功能增强
-- type: 'CLI'
-  item: '删除--enable-symbian-target
-         --enable-n32
-         --with-gonk=DIR
-         --with-symbian-sdk=SYMBIAN_SDK_DIR
-         --with-bthreads'
-  diff: 性能优化
-  influence: 性能优化，影响小
-remark: '无影响'
\ No newline at end of file
diff --git a/nspr-4.36.tar.gz b/nspr-4.36.tar.gz
deleted file mode 100644
index 04c7ac9ecd872b3654ffd87a92988c9567bf86ae..0000000000000000000000000000000000000000
Binary files a/nspr-4.36.tar.gz and /dev/null differ
diff --git a/nspr-4.37.tar.gz b/nspr-4.37.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..72c435b6211bf537251a8f32376d93e7c404d975
Binary files /dev/null and b/nspr-4.37.tar.gz differ
diff --git a/nspr.spec b/nspr.spec
index a63fcf35ce2a42e17378b0dcfc6ede4f3241ca4d..37ff8541236e30b0acc33664e6dc2314bbd3f61f 100644
--- a/nspr.spec
+++ b/nspr.spec
@@ -1,8 +1,8 @@
-%global nspr_version 4.36
+%global nspr_version 4.37
 
 Name:           nspr
-Version:        4.36.0
-Release:        2
+Version:        4.37.0
+Release:        1
 Summary:        Netscape Portable Runtime
 License:        MPL-2.0
 URL:            https://firefox-source-docs.mozilla.org/nspr/index.html
@@ -79,6 +79,9 @@ rm -f %{buildroot}%{_bindir}/compile-et.pl %{buildroot}%{_bindir}/prerr.properti
 %{_mandir}/man*/*
 
 %changelog
+* Fri Jul 18 2025 Funda Wang <fundawang@yeah.net> - 4.37.0-1
+- update to 4.37.0
+
 * Tue Jul 01 2025 wangxiao <wangxiao184@h-partners.com> - 4.36.0-2
 - delete macros in changelog