diff --git a/abi_symbols b/abi_symbols
--- a/abi_symbols
+++ b/abi_symbols
@@ -46,8 +46,10 @@
 libnotmuch.so.5:notmuch_message_add_property
 libnotmuch.so.5:notmuch_message_add_tag
 libnotmuch.so.5:notmuch_message_count_files
+libnotmuch.so.5:notmuch_message_count_properties
 libnotmuch.so.5:notmuch_message_destroy
 libnotmuch.so.5:notmuch_message_freeze
+libnotmuch.so.5:notmuch_message_get_database
 libnotmuch.so.5:notmuch_message_get_date
 libnotmuch.so.5:notmuch_message_get_filename
 libnotmuch.so.5:notmuch_message_get_filenames
diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,8 +1,8 @@
 name       : notmuch
-version    : 0.26
-release    : 3
+version    : 0.27
+release    : 4
 source     :
-    - https://notmuchmail.org/releases/notmuch-0.26.tar.gz : d3e894ed2ad9d721a442663f07a6f2a241dc98be7cc4af681f16edf88e0d76df
+    - https://notmuchmail.org/releases/notmuch-0.27.tar.gz : 40d3192f8f130f227b511fc80be86310c7f60ccb6d043b563f201fa505de0876
 homepage   : http://notmuchmail.org/
 license    : GPL-3.0
 component  : network.mail
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -3,8 +3,8 @@
         <Name>notmuch</Name>
         <Homepage>http://notmuchmail.org/</Homepage>
         <Packager>
-            <Name>Joshua Strobl</Name>
-            <Email>joshua@stroblindustries.com</Email>
+            <Name>Shen Chen</Name>
+            <Email>shenchen@cogenda.com</Email>
         </Packager>
         <License>GPL-3.0</License>
         <PartOf>network.mail</PartOf>
@@ -23,7 +23,7 @@
             <Path fileType="data">/lib64/ruby/vendor_ruby/2.3.0/x86_64-linux/notmuch.so</Path>
             <Path fileType="executable">/usr/bin/notmuch</Path>
             <Path fileType="executable">/usr/bin/notmuch-emacs-mua</Path>
-            <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch-0.26-py2.7.egg-info</Path>
+            <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch-0.27-py2.7.egg-info</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/__init__.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/compat.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/database.py</Path>
@@ -38,7 +38,7 @@
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/thread.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/threads.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/notmuch/version.py</Path>
-            <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch-0.26-py3.6.egg-info</Path>
+            <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch-0.27-py3.6.egg-info</Path>
             <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch/__init__.py</Path>
             <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch/compat.py</Path>
             <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch/database.py</Path>
@@ -54,7 +54,7 @@
             <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch/threads.py</Path>
             <Path fileType="library">/usr/lib/python3.6/site-packages/notmuch/version.py</Path>
             <Path fileType="library">/usr/lib64/libnotmuch.so.5</Path>
-            <Path fileType="library">/usr/lib64/libnotmuch.so.5.0.0</Path>
+            <Path fileType="library">/usr/lib64/libnotmuch.so.5.2.0</Path>
             <Path fileType="data">/usr/share/bash-completion/completions/notmuch</Path>
             <Path fileType="data">/usr/share/emacs/site-lisp/coolj.el</Path>
             <Path fileType="data">/usr/share/emacs/site-lisp/notmuch-address.el</Path>
@@ -78,6 +78,25 @@
             <Path fileType="data">/usr/share/emacs/site-lisp/notmuch-version.el</Path>
             <Path fileType="data">/usr/share/emacs/site-lisp/notmuch-wash.el</Path>
             <Path fileType="data">/usr/share/emacs/site-lisp/notmuch.el</Path>
+            <Path fileType="info">/usr/share/info/notmuch-address.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-compact.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-config.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-count.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-dump.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-emacs-mua.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-emacs.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-hooks.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-insert.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-new.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-properties.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-reindex.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-reply.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-restore.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-search-terms.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-search.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-show.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch-tag.info</Path>
+            <Path fileType="info">/usr/share/info/notmuch.info</Path>
             <Path fileType="man">/usr/share/man/man1/notmuch-address.1.gz</Path>
             <Path fileType="man">/usr/share/man/man1/notmuch-compact.1.gz</Path>
             <Path fileType="man">/usr/share/man/man1/notmuch-config.1.gz</Path>
@@ -114,7 +133,7 @@
 </Description>
         <PartOf>programming.devel</PartOf>
         <RuntimeDependencies>
-            <Dependency release="3">notmuch</Dependency>
+            <Dependency release="4">notmuch</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="header">/usr/include/notmuch.h</Path>
@@ -122,12 +141,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="3">
-            <Date>2018-07-10</Date>
-            <Version>0.26</Version>
+        <Update release="4">
+            <Date>2018-09-04</Date>
+            <Version>0.27</Version>
             <Comment>Packaging update</Comment>
-            <Name>Joshua Strobl</Name>
-            <Email>joshua@stroblindustries.com</Email>
+            <Name>Shen Chen</Name>
+            <Email>shenchen@cogenda.com</Email>
         </Update>
     </History>
 </PISI>
\ No newline at end of file