diff --git a/CMakeLists.txt b/CMakeLists.txt
index f456b9dcb..55cecbe74 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,7 +101,7 @@ endif()
 
 set(KEEPASSXC_VERSION_MAJOR "2")
 set(KEEPASSXC_VERSION_MINOR "6")
-set(KEEPASSXC_VERSION_PATCH "3")
+set(KEEPASSXC_VERSION_PATCH "4")
 set(KEEPASSXC_VERSION "${KEEPASSXC_VERSION_MAJOR}.${KEEPASSXC_VERSION_MINOR}.${KEEPASSXC_VERSION_PATCH}")
 set(OVERRIDE_VERSION "" CACHE STRING "Override the KeePassXC Version for Snapshot builds")
 
diff --git a/share/linux/org.keepassxc.KeePassXC.appdata.xml b/share/linux/org.keepassxc.KeePassXC.appdata.xml
index 135b37b78..d9779e3df 100644
--- a/share/linux/org.keepassxc.KeePassXC.appdata.xml
+++ b/share/linux/org.keepassxc.KeePassXC.appdata.xml
@@ -50,6 +50,23 @@
     </screenshots>
 
     <releases>
+        <release version="2.6.4" date="2021-01-31">
+            <description>
+                <ul>
+                    <li>Automatically adapt to light/dark system theme changes (Windows/macOS only) [#6034]</li>
+                    <li>Show window title as tooltip on system tray [#5948]</li>
+                    <li>Compress Snap release as LZO for faster initial startup [#5877]</li>
+                    <li>Password generator: Set maximum selectable password length to 999 [#5937]</li>
+                    <li>Fix crash on app close when using SSH agent [#5935]</li>
+                    <li>Fix KDF selection showing wrong item when using Argon2id [#5923]</li>
+                    <li>Automatically close About dialog on database lock if it is still open [#5947]</li>
+                    <li>Linux: Fix automatic launch at system startup with AppImages [#5901]</li>
+                    <li>Linux: Fix click-to-move on empty area activating when using menus [#5971]</li>
+                    <li>Linux: Try multiple times to show tray icon if tray is not ready yet [#5948]</li>
+                    <li>macOS: Fix KeePassXC blocking clean shutdown [#6002]</li>
+                </ul>
+            </description>
+        </release>
         <release version="2.6.3" date="2021-01-12">
             <description>
                 <ul>
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index df7ffd386..6efa26b7f 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,5 +1,5 @@
 name: keepassxc
-version: 2.6.3
+version: 2.6.4
 grade: stable
 summary: Community-driven port of the Windows application “KeePass Password Safe”
 description: |