diff --git a/.gitignore b/.gitignore
index a2ca2b0..8268641 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-SOURCES/nspr-4.11.0.tar.gz
+SOURCES/nspr-4.13.1.tar.gz
 SOURCES/nspr-config.xml
diff --git a/.nspr.metadata b/.nspr.metadata
index 5e42c37..2ddcc34 100644
--- a/.nspr.metadata
+++ b/.nspr.metadata
@@ -1,2 +1,2 @@
-c5d88b364846b468174beb6ec5b3512de780ab5b SOURCES/nspr-4.11.0.tar.gz
+ec6660257d41267a0e6ee25812e9012cb9ddd274 SOURCES/nspr-4.13.1.tar.gz
 f748a225d13fc55d8843c93002a6e8b79cd3779d SOURCES/nspr-config.xml
diff --git a/SPECS/nspr.spec b/SPECS/nspr.spec
index fc85f17..17975a0 100644
--- a/SPECS/nspr.spec
+++ b/SPECS/nspr.spec
@@ -1,7 +1,7 @@
 Summary:        Netscape Portable Runtime
 Name:           nspr
-Version:        4.11.0
-Release:        1%{?dist}
+Version:        4.13.1
+Release:        1.0%{?dist}
 License:        MPLv2.0
 URL:            http://www.mozilla.org/projects/nspr/
 Group:          System Environment/Libraries
@@ -145,8 +145,12 @@ done
 %{_mandir}/man*/*
 
 %changelog
-* Tue Jan 26 2016 Elio Maldonado <emaldona@redhat.com> - 4.11.0-1
+* Fri Feb 10 2017 Daiki Ueno <dueno@redhat.com> - 4.13.1-1.0
+- Rebase to NSPR 4.13.1
+
+* Mon Jan 18 2016 Elio Maldonado <emaldona@redhat.com> - 4.11.0-1
 - Rebase to NSPR 4.11
+- Resolves: Bug 1297941 - Rebase RHEL 7.3 to NSS 3.21 in preparation for Firefox 45
 
 * Fri Oct 16 2015 Elio Maldonado <emaldona@redhat.com> - 4.10.8-2
 - Resolves: Bug 1269363 - CVE-2015-7183