diff --git a/network/misc/protobuf/pspec.xml b/network/misc/protobuf/pspec.xml
index aad378ce28..89e1a97542 100644
--- a/network/misc/protobuf/pspec.xml
+++ b/network/misc/protobuf/pspec.xml
@@ -12,7 +12,7 @@
         <IsA>library</IsA>
         <Summary>Google's data interchange format</Summary>
         <Description>Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal RPC protocols and file formats.</Description>
-        <Archive sha1sum="d3bd3cfaa046d252e1b7c3c45106baab06b51f59" type="targz">http://source.pisilinux.org/1.0/protobuf-3.0.0-pre.tar.gz</Archive>
+        <Archive sha1sum="d403d06a8775375e7fe2557b38733205dfbc2e9e" type="targz">https://github.com/google/protobuf/releases/download/v3.6.1/protobuf-all-3.6.1.tar.gz</Archive>
         <Archive sha1sum="d7aa4b8536f3a007b480cf016be8a4333dbf4768" type="targz">https://github.com/google/googletest/archive/release-1.7.0.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>python-setuptools</Dependency>
@@ -47,6 +47,13 @@
     </Package>
 
     <History>
+        <Update release="4">
+           <Date>2018-08-06</Date>
+            <Version>3.6.1</Version>
+            <Comment>Rebuild.</Comment>
+            <Name>PisiLinux Community</Name>
+            <Email>admins@pisilinux.org</Email>
+        </Update>
         <Update release="3">
            <Date>2018-08-05</Date>
             <Version>2.6.1</Version>