diff --git a/build.xml b/build.xml
index e5be36085d..f788668a2f 100644
--- a/build.xml
+++ b/build.xml
@@ -414,7 +414,7 @@
     <property name="version" value="1.9"/>
      -->
     <property name="version" value="10.5.0"/>
-    <property name="extra_release_tag" value="-beta4"/>
+    <property name="extra_release_tag" value="-beta5"/>
     <property name="jvm_version" value="1.8+"/>
 
     <property name="version_number" value="10.5.0"/>
diff --git a/src/dr/app/beast/BeastVersion.java b/src/dr/app/beast/BeastVersion.java
index 272d85d513..47cdd3c274 100644
--- a/src/dr/app/beast/BeastVersion.java
+++ b/src/dr/app/beast/BeastVersion.java
@@ -60,7 +60,7 @@ public class BeastVersion implements Version, Citable {
     /**
      * Version string: assumed to be in format x.x.x
      */
-    private static final String VERSION = "10.5.0-beta4";
+    private static final String VERSION = "10.5.0-beta5";
 
     private static final String DATE_STRING = "2002-2024";