diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4df733a..8414125 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+### 2.3.1
+- don't move the vertical tab bar down
+
 ### 2.3.0
 - support other GTK-based operating systems
 - Windows/Linux: fix fullscreen window control placement
diff --git a/src/install.rdf b/src/install.rdf
index 3588aca..ebf7297 100644
--- a/src/install.rdf
+++ b/src/install.rdf
@@ -9,7 +9,7 @@
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>noia-moon@addons.palemoon.org</em:id>
-    <em:version>2.3.0</em:version>
+    <em:version>2.3.1</em:version>
     <em:name>Noia Moon</em:name>
     <em:description>Theme for Pale Moon based on Noia Iconpack by Carlitus (deviantART). Fork of "Noia Fox" by David.Vincent</em:description>
     <em:creator>Pale Moon Add-Ons Team</em:creator>
diff --git a/src/theme/install.rdf b/src/theme/install.rdf
index f665570..6a3390c 100644
--- a/src/theme/install.rdf
+++ b/src/theme/install.rdf
@@ -9,7 +9,7 @@
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>noia-theme@addons.palemoon.org</em:id>
-    <em:version>2.3.0</em:version>
+    <em:version>2.3.1</em:version>
     <em:name>Noia Moon</em:name>
     <em:description>Theme for Pale Moon based on Noia Iconpack by Carlitus (deviantART). Fork of "Noia Fox" by David.Vincent</em:description>
     <em:creator>Pale Moon Add-Ons Team</em:creator>