diff --git a/system/base/nspr/pspec.xml b/system/base/nspr/pspec.xml
index 6807191b..51f70e94 100644
--- a/system/base/nspr/pspec.xml
+++ b/system/base/nspr/pspec.xml
@@ -41,6 +41,13 @@
     </Package>
 
     <History>
+        <Update release="4">
+            <Date>2017-02-11</Date>
+            <Version>4.13.1</Version>
+            <Comment>Release bump.</Comment>
+            <Name>Stefan Gronewold</Name>
+            <Email>groni@pisilinux.org</Email>
+        </Update>
         <Update release="3">
             <Date>2017-01-30</Date>
             <Version>4.13.1</Version>