diff --git a/CHANGELOG.md b/CHANGELOG.md
index d01efe5..4916039 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+### 5.3.0
+- initial HTML date/time picker support
+- improve about:newtab search button readability
+- support Pale Moon 31
+
 ### 5.2.0
 - add mixed-mode SSL indicator
 - improve findbar textbox appearance
diff --git a/src/install.rdf b/src/install.rdf
index 56e455f..3cc9068 100644
--- a/src/install.rdf
+++ b/src/install.rdf
@@ -9,7 +9,7 @@
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>{6a2ffbbc-4f20-42f0-b98e-98e62085837f}</em:id>
-    <em:version>5.2.0</em:version>
+    <em:version>5.3.0</em:version>
     <em:name>Australium</em:name>
     <em:description>Experience the curved tabs of Australis on UXP.</em:description>
     <em:creator>Lootyhoof</em:creator>