diff --git a/nspr-4.37.tar.gz b/nspr-4.37.tar.gz
deleted file mode 100644
index 72c435b6211bf537251a8f32376d93e7c404d975..0000000000000000000000000000000000000000
Binary files a/nspr-4.37.tar.gz and /dev/null differ
diff --git a/nspr-4.38.tar.gz b/nspr-4.38.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..0995108fbf635a04ea9cbb8062819b4b456550c0
Binary files /dev/null and b/nspr-4.38.tar.gz differ
diff --git a/nspr.spec b/nspr.spec
index 37ff8541236e30b0acc33664e6dc2314bbd3f61f..35933daf37be0d0417f5e95b9bda6ca640ff62ba 100644
--- a/nspr.spec
+++ b/nspr.spec
@@ -1,13 +1,11 @@
-%global nspr_version 4.37
-
 Name:           nspr
-Version:        4.37.0
+Version:        4.38.0
 Release:        1
 Summary:        Netscape Portable Runtime
 License:        MPL-2.0
 URL:            https://firefox-source-docs.mozilla.org/nspr/index.html
 BuildRequires:  gcc 
-Source0:        https://ftp.mozilla.org/pub/nspr/releases/v%{nspr_version}/src/%{name}-%{nspr_version}.tar.gz
+Source0:        https://ftp.mozilla.org/pub/nspr/releases/v%{version_major_minor}/src/%{name}-%{version_major_minor}.tar.gz
 Source1:        nspr-config.xml
 
 Patch1:		nspr-gcc-atomics.patch
@@ -27,7 +25,7 @@ Requires:       %{name} = %{version}-%{release}
 Development package for nspr.
 
 %prep
-%autosetup -n %{name}-%{nspr_version} -p1
+%autosetup -n %{name}-%{version_major_minor} -p1
 cp ./nspr/config/nspr-config.in ./nspr/config/nspr-config-pc.in
 
 %build
@@ -79,6 +77,9 @@ rm -f %{buildroot}%{_bindir}/compile-et.pl %{buildroot}%{_bindir}/prerr.properti
 %{_mandir}/man*/*
 
 %changelog
+* Thu Nov 06 2025 Funda Wang <fundawang@yeah.net> - 4.38.0-1
+- update to 4.38.0
+
 * Fri Jul 18 2025 Funda Wang <fundawang@yeah.net> - 4.37.0-1
 - update to 4.37.0