diff --git a/abi_used_symbols b/abi_used_symbols
--- a/abi_used_symbols
+++ b/abi_used_symbols
@@ -1,43 +1,3 @@
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 UNKNOWN:_ZTIN5Arcus6SocketE
 UNKNOWN:_ZTIN6google8protobuf8compiler23MultiFileErrorCollectorE
 ld-linux-x86-64.so.2:__tls_get_addr
@@ -55,6 +15,46 @@
 libc.so.6:strcmp
 libc.so.6:strlen
 libgcc_s.so.1:_Unwind_Resume
+libprotobuf.so.23:_ZN6google8protobuf11MessageLite20ParseFromCodedStreamEPNS0_2io16CodedInputStreamE
+libprotobuf.so.23:_ZN6google8protobuf15FieldDescriptor12TypeOnceInitEPKS1_
+libprotobuf.so.23:_ZN6google8protobuf21DynamicMessageFactoryC1Ev
+libprotobuf.so.23:_ZN6google8protobuf2io16ArrayInputStreamC1EPKvii
+libprotobuf.so.23:_ZN6google8protobuf2io16CodedInputStream18SetTotalBytesLimitEi
+libprotobuf.so.23:_ZN6google8protobuf2io16CodedInputStream24default_recursion_limit_E
+libprotobuf.so.23:_ZN6google8protobuf2io16CodedInputStream7RefreshEv
+libprotobuf.so.23:_ZN6google8protobuf2io16CodedInputStreamD1Ev
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+libprotobuf.so.23:_ZN6google8protobuf8compiler14DiskSourceTreeC1Ev
+libprotobuf.so.23:_ZN6google8protobuf8compiler23MultiFileErrorCollectorD2Ev
+libprotobuf.so.23:_ZN6google8protobuf8compiler8Importer6ImportERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE
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 libpthread.so.0:__errno_location
 libpthread.so.0:accept
 libpthread.so.0:close
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,8 +1,9 @@
 name       : libarcus
 version    : 4.9.1
-release    : 26
+release    : 27
 source     :
     - https://github.com/Ultimaker/libArcus/archive/4.9.1.tar.gz : 18d939fd2428c72fdce35a286c196438327cfc3c8476e463e5ca46570168c9ce
+homepage   : https://github.com/Ultimaker/libArcus
 license    : LGPL-3.0-or-later
 component  : programming.library
 summary    : Communication library between internal components for Ultimaker software
@@ -11,7 +12,7 @@
 builddeps  :
     - pkgconfig(protobuf)
     - pkgconfig(python3)
-    - python3-sip-devel
+    - python-sip
 setup      : |
     %cmake . -DBUILD_EXAMPLES=OFF
 build      : |
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -1,9 +1,10 @@
 <PISI>
     <Source>
         <Name>libarcus</Name>
+        <Homepage>https://github.com/Ultimaker/libArcus</Homepage>
         <Packager>
-            <Name>Pierre-Yves</Name>
-            <Email>pyu@riseup.net</Email>
+            <Name>Algent Albrahimi</Name>
+            <Email>algent@protonmail.com</Email>
         </Packager>
         <License>LGPL-3.0-or-later</License>
         <PartOf>programming.library</PartOf>
@@ -31,7 +32,7 @@
 </Description>
         <PartOf>programming.devel</PartOf>
         <RuntimeDependencies>
-            <Dependency release="26">libarcus</Dependency>
+            <Dependency release="27">libarcus</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="header">/usr/include/Arcus/ArcusExport.h</Path>
@@ -48,12 +49,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="26">
+        <Update release="27">
             <Date>2021-05-29</Date>
             <Version>4.9.1</Version>
             <Comment>Packaging update</Comment>
-            <Name>Pierre-Yves</Name>
-            <Email>pyu@riseup.net</Email>
+            <Name>Algent Albrahimi</Name>
+            <Email>algent@protonmail.com</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file