diff --git a/Subsurface/Properties/AssemblyInfo.cs b/Subsurface/Properties/AssemblyInfo.cs
index 557db3188..46a6b5790 100644
--- a/Subsurface/Properties/AssemblyInfo.cs
+++ b/Subsurface/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.5.4.4")]
-[assembly: AssemblyFileVersion("0.5.4.4")]
+[assembly: AssemblyVersion("0.5.4.5")]
+[assembly: AssemblyFileVersion("0.5.4.5")]
diff --git a/Subsurface/changelog.txt b/Subsurface/changelog.txt
index 2c6797bca..fd2ca4ec7 100644
--- a/Subsurface/changelog.txt
+++ b/Subsurface/changelog.txt
@@ -1,3 +1,18 @@
+---------------------------------------------------------------------------------------------------------
+v0.5.4.5
+---------------------------------------------------------------------------------------------------------
+
+- optimized light rendering
+- switched fonts again, now to ones that support the cyrillic alphabet
+- special symbols are allowed in player names again (unless there's already a player on the server
+with a visually identical name)
+- fixed monsters not appearing in the position indicated by the sonar in monster missions (or being desynced
+whenever they did)
+- fixed the game process staying active in the background after a crash
+- players can't use headsets that are in the inventory
+- the warning message about unlinked vents is only shown once when saving a sub (not for each vent)
+- another attempt to fix AddToGUIUpdateList and SetTransformIgnoreContacts errors
+
 ---------------------------------------------------------------------------------------------------------
 v0.5.4.4
 ---------------------------------------------------------------------------------------------------------