diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5dc8566f..e226f1725 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -21,7 +21,7 @@ include(CMakeMacroLibtoolFile)
 include(cmake/TargetLinkDirectories.cmake)
 
 project(tigervnc)
-set(VERSION 1.14.80)
+set(VERSION 1.15.80)
 
 # The RC version must always be four comma-separated numbers
 string(REPLACE . , RCVERSION "${VERSION}.0")
diff --git a/java/CMakeLists.txt b/java/CMakeLists.txt
index e833bd380..cf960a921 100644
--- a/java/CMakeLists.txt
+++ b/java/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.10.0)
 
 project(tigervnc-java Java)
 if(NOT VERSION)
-  set(VERSION 1.14.80)
+  set(VERSION 1.15.80)
 endif()
 
 find_package(Java)
diff --git a/unix/xserver/hw/vnc/xvnc.c b/unix/xserver/hw/vnc/xvnc.c
index 04cc1fd2a..0b8e028f9 100644
--- a/unix/xserver/hw/vnc/xvnc.c
+++ b/unix/xserver/hw/vnc/xvnc.c
@@ -73,7 +73,7 @@ extern char buildtime[];
 
 #include "version-config.h"
 
-#define XVNCVERSION "TigerVNC 1.14.80"
+#define XVNCVERSION "TigerVNC 1.15.80"
 #define XVNCCOPYRIGHT ("Copyright (C) 1999-2025 TigerVNC team and many others (see README.rst)\n" \
                        "See https://www.tigervnc.org for information on TigerVNC.\n")