diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f5f0c34b..2b77c9c1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Fixed CalDAV sync not consistently working on Android 11+ ([#656])
 
 ## [1.10.3] - 2026-02-14
 ### Changed
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7c6cbf715..4e4a2cd94 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -32,6 +32,12 @@
         android:name="android.permission.FOREGROUND_SERVICE"
         android:maxSdkVersion="32" />
 
+    <queries>
+        <intent>
+            <action android:name="android.content.SyncAdapter" />
+        </intent>
+    </queries>
+
     <queries>
         <package android:name="org.fossify.contacts.debug" />
         <package android:name="org.fossify.contacts" />