diff --git a/oslo_utils/locale/en_GB/LC_MESSAGES/oslo_utils.po b/oslo_utils/locale/en_GB/LC_MESSAGES/oslo_utils.po
index 60a995e3..9bde5e99 100644
--- a/oslo_utils/locale/en_GB/LC_MESSAGES/oslo_utils.po
+++ b/oslo_utils/locale/en_GB/LC_MESSAGES/oslo_utils.po
@@ -12,16 +12,16 @@ msgid ""
 msgstr ""
 "Project-Id-Version: oslo.utils VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.launchpad.net/openstack-i18n/\n"
-"POT-Creation-Date: 2018-02-07 07:52+0000\n"
+"POT-Creation-Date: 2018-02-09 13:01+0000\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "PO-Revision-Date: 2018-02-06 11:26+0000\n"
 "Last-Translator: Andi Chandler <andi@gowling.com>\n"
-"Language: en-GB\n"
+"Language: en_GB\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "Generated-By: Babel 2.0\n"
-"X-Generator: Zanata 3.9.6\n"
+"X-Generator: Zanata 4.3.3\n"
 "Language-Team: English (United Kingdom)\n"
 
 #, python-format
diff --git a/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po b/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
index b2f26418..71a512e7 100644
--- a/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
+++ b/releasenotes/source/locale/en_GB/LC_MESSAGES/releasenotes.po
@@ -4,15 +4,15 @@ msgid ""
 msgstr ""
 "Project-Id-Version: oslo.utils Release Notes\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-02-07 07:52+0000\n"
+"POT-Creation-Date: 2018-02-09 13:01+0000\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "PO-Revision-Date: 2018-02-06 11:26+0000\n"
 "Last-Translator: Andi Chandler <andi@gowling.com>\n"
 "Language-Team: English (United Kingdom)\n"
-"Language: en-GB\n"
-"X-Generator: Zanata 3.9.6\n"
+"Language: en_GB\n"
+"X-Generator: Zanata 4.3.3\n"
 "Plural-Forms: nplurals=2; plural=(n != 1)\n"
 
 msgid "3.13.0"