diff --git a/README-CHANGES.xml b/README-CHANGES.xml
index 31aeb31..ed9d74b 100644
--- a/README-CHANGES.xml
+++ b/README-CHANGES.xml
@@ -76,7 +76,17 @@
         </c:change>
       </c:changes>
     </c:release>
-    <c:release date="2024-03-12T13:47:38+00:00" is-open="true" ticket-system="org.lyrasis.jira" version="3.1.1">
+    <c:release date="2024-04-03T00:00:00+00:00" is-open="false" ticket-system="org.lyrasis.jira" version="4.0.0">
+      <c:changes>
+        <c:change date="2024-04-03T00:00:00+00:00" summary="Refactor internal navigation and bookmark handling.">
+          <c:tickets>
+            <c:ticket id="PP-1120"/>
+            <c:ticket id="PP-1119"/>
+          </c:tickets>
+        </c:change>
+      </c:changes>
+    </c:release>
+    <c:release date="2024-04-03T16:30:08+00:00" is-open="true" ticket-system="org.lyrasis.jira" version="4.0.1">
       <c:changes/>
     </c:release>
   </c:releases>
diff --git a/gradle.properties b/gradle.properties
index 2b7c022..1942cff 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -11,8 +11,8 @@ POM_SCM_CONNECTION=scm:git:git://github.com/ThePalaceProject/android-r2
 POM_SCM_DEV_CONNECTION=scm:git:ssh://git@github.com/ThePalaceProject/android-r2
 POM_SCM_URL=http://github.com/ThePalaceProject/android-r2
 POM_URL=http://github.com/ThePalaceProject/android-r2
-VERSION_NAME=4.0.0-SNAPSHOT
-VERSION_PREVIOUS=3.1.0
+VERSION_NAME=4.0.1-SNAPSHOT
+VERSION_PREVIOUS=4.0.0
 
 android.useAndroidX=true
 android.enableJetifier=true