diff --git a/VERSION b/VERSION
index 0cadbc1e..da6b0a8f 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.5
+2.5.6
diff --git a/changelog.md b/changelog.md
index 4c6e938f..dc1c4e98 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,14 @@ Changelog
 =========
 
 
+Changes in Pannellum 2.5.6 (2019-11-26)
+---------------------------------------
+
+Security fixes:
+ - Extended partial fix in v2.5.5 for XSS vulnerability that allowed script
+   execution when hot spots were clicked (CVE-2019-16763)
+
+
 Changes in Pannellum 2.5.5 (2019-11-21)
 ---------------------------------------
 
diff --git a/package.json b/package.json
index 38d91a47..1c59a784 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "pannellum",
   "description": "Pannellum is a lightweight, free, and open source panorama viewer for the web.",
-  "version": "2.5.5",
+  "version": "2.5.6",
   "bugs": {
     "url": "https://github.com/mpetroff/pannellum/issues"
   },