diff --git a/history.txt b/history.txt
index 8b8b0216f4..67776ac79b 100644
--- a/history.txt
+++ b/history.txt
@@ -1,3 +1,10 @@
+2023-12-06 zzz
+ * Susimail:
+   - Flush output to fix truncated mails
+   - Close output for attachments
+   - Fix setting encoding for attachments
+   - Set length for binary encoding
+
 2023-12-05 zzz
  * Build: poupdate-source
  * i2ptunnel: Remove dup headers in error pages
diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index 1d9dba4a73..c80c4c63b6 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -20,7 +20,7 @@ public class RouterVersion {
     public final static String VERSION = CoreVersion.VERSION;
     /** for example: "beta", "alpha", "rc" */
     public final static String QUALIFIER = "-rc";
-    public final static long BUILD = 17;
+    public final static long BUILD = 18;
     /** for example "-test" */
     public final static String EXTRA = "";
     public final static String FULL_VERSION = VERSION + "-" + BUILD + QUALIFIER + EXTRA;