diff --git a/debian/changelog b/debian/changelog
index 14a98892..c7f31f87 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,16 @@
+quark-engine (26.9.1-0kali1) kali-dev; urgency=medium
+
+  * Documentation Enhancements
+
+    - Add Quark malware analysis reports for EventBot, Skygofree, and Chrysaor. (#961, #963, #968)
+    - Unify the titles and headings across malware family analysis reports. (#950)
+
+  * Improvements
+
+    - Set DexTrace as the default analysis library. To fall back to Androguard, run Quark with `--core-library androguard`. (#966)
+
+ -- Shaun Dang <pulorsok@gmail.com>  Mon, 31 Aug 2026 13:00:00 +0800
+
 quark-engine (26.8.1-0kali1) kali-dev; urgency=medium
 
   * Document Enhancement
diff --git a/debian/control b/debian/control
index 8096a09b..d8b2568c 100644
--- a/debian/control
+++ b/debian/control
@@ -7,7 +7,7 @@ Build-Depends: debhelper-compat (= 12),
             dh-virtualenv (>= 0.8),
             python3,
 
-Standards-Version: 26.8.1
+Standards-Version: 26.9.1
 Homepage: https://github.com/quark-engine/quark-engine
 Vcs-Browser: https://github.com/quark-engine/quark-engine
 Vcs-Git: https://github.com/quark-engine/quark-engine
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 10c74485..d433444b 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -22,7 +22,7 @@
 author = 'KunYu Chen, JunWei Song, YuShiang Dang, ShengFone Lu, AnWei Kung, ShunTe Lin, Vivek, Krishna'
 
 # The full version, including alpha/beta/rc tags
-release = 'v26.8.1'
+release = 'v26.9.1'
 
 # -- General configuration ---------------------------------------------------
 
diff --git a/quark/__init__.py b/quark/__init__.py
index d758208a..c0adb52b 100644
--- a/quark/__init__.py
+++ b/quark/__init__.py
@@ -1 +1 @@
-__version__ = "26.8.1"
+__version__ = "26.9.1"