diff --git a/CHANGELOG.md b/CHANGELOG.md
index 15a433ec2..b2910b9b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 Change Log
 ---
+### 6.9.1 (2019-10-09)
+
+* Fix location reminders on Android 10
+* Fix CalDAV time zone issue
+* Update Simplified Chinese translations - @sr093906
+
 ### 6.9 (2019-09-23)
 
 * Synchronize tags with CalDAV
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a9ba1cfdc..734d2c4ab 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -31,8 +31,8 @@ android {
     defaultConfig {
         testApplicationId = "org.tasks.test"
         applicationId = "org.tasks"
-        versionCode = 613
-        versionName = "6.9"
+        versionCode = 614
+        versionName = "6.9.1"
         targetSdkVersion(Versions.targetSdk)
         minSdkVersion(Versions.minSdk)
         multiDexEnabled = true
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index b353dd7d2..2a8046a37 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,6 +13,7 @@
   <!-- maps and location based reminders -->
   <!-- ********************************* -->
   <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
+  <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
 
   <uses-feature
     android:name="android.hardware.location"
diff --git a/app/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java b/app/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
index b6f448a2d..8036c22eb 100644
--- a/app/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
+++ b/app/src/main/java/com/todoroo/andlib/utility/AndroidUtilities.java
@@ -166,6 +166,10 @@ public class AndroidUtilities {
     return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
   }
 
+  public static boolean atLeastQ() {
+    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
+  }
+
   public static void assertMainThread() {
     if (BuildConfig.DEBUG && !isMainThread()) {
       throw new IllegalStateException("Should be called from main thread");
diff --git a/app/src/main/java/org/tasks/preferences/ActivityPermissionRequestor.java b/app/src/main/java/org/tasks/preferences/ActivityPermissionRequestor.java
index 2e968f7de..75a467d8b 100644
--- a/app/src/main/java/org/tasks/preferences/ActivityPermissionRequestor.java
+++ b/app/src/main/java/org/tasks/preferences/ActivityPermissionRequestor.java
@@ -16,7 +16,7 @@ public class ActivityPermissionRequestor extends PermissionRequestor {
   }
 
   @Override
-  protected void requestPermissions(String[] permissions, int rc) {
+  protected void requestPermissions(int rc, String... permissions) {
     ActivityCompat.requestPermissions(activity, permissions, rc);
   }
 }
diff --git a/app/src/main/java/org/tasks/preferences/FragmentPermissionRequestor.java b/app/src/main/java/org/tasks/preferences/FragmentPermissionRequestor.java
index 4fc1be5f5..5f4445db7 100644
--- a/app/src/main/java/org/tasks/preferences/FragmentPermissionRequestor.java
+++ b/app/src/main/java/org/tasks/preferences/FragmentPermissionRequestor.java
@@ -15,7 +15,7 @@ public class FragmentPermissionRequestor extends PermissionRequestor {
   }
 
   @Override
-  protected void requestPermissions(String[] permissions, int rc) {
+  protected void requestPermissions(int rc, String... permissions) {
     fragment.requestPermissions(permissions, rc);
   }
 }
diff --git a/app/src/main/java/org/tasks/preferences/PermissionChecker.java b/app/src/main/java/org/tasks/preferences/PermissionChecker.java
index 5d213171d..49c741bbc 100644
--- a/app/src/main/java/org/tasks/preferences/PermissionChecker.java
+++ b/app/src/main/java/org/tasks/preferences/PermissionChecker.java
@@ -1,14 +1,12 @@
 package org.tasks.preferences;
 
 import static com.todoroo.andlib.utility.AndroidUtilities.atLeastOreo;
-import static java.util.Arrays.asList;
-import static java.util.Collections.singletonList;
+import static com.todoroo.andlib.utility.AndroidUtilities.atLeastQ;
 
-import android.Manifest;
+import android.Manifest.permission;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import androidx.core.app.ActivityCompat;
-import java.util.List;
 import javax.inject.Inject;
 import org.tasks.injection.ForApplication;
 import timber.log.Timber;
@@ -23,27 +21,24 @@ public class PermissionChecker {
   }
 
   public boolean canAccessCalendars() {
-    return checkPermissions(
-        asList(Manifest.permission.READ_CALENDAR, Manifest.permission.WRITE_CALENDAR));
+    return checkPermissions(permission.READ_CALENDAR, permission.WRITE_CALENDAR);
   }
 
   public boolean canAccessAccounts() {
-    return atLeastOreo() || checkPermission(Manifest.permission.GET_ACCOUNTS);
+    return atLeastOreo() || checkPermissions(permission.GET_ACCOUNTS);
   }
 
   public boolean canAccessLocation() {
-    return checkPermission(Manifest.permission.ACCESS_FINE_LOCATION);
+    return atLeastQ()
+        ? checkPermissions(permission.ACCESS_FINE_LOCATION, permission.ACCESS_BACKGROUND_LOCATION)
+        : checkPermissions(permission.ACCESS_FINE_LOCATION);
   }
 
   public boolean canAccessMic() {
-    return checkPermission(Manifest.permission.RECORD_AUDIO);
+    return checkPermissions(permission.RECORD_AUDIO);
   }
 
-  private boolean checkPermission(String permission) {
-    return checkPermissions(singletonList(permission));
-  }
-
-  private boolean checkPermissions(List<String> permissions) {
+  private boolean checkPermissions(String... permissions) {
     for (String permission : permissions) {
       if (ActivityCompat.checkSelfPermission(context, permission)
           != PackageManager.PERMISSION_GRANTED) {
diff --git a/app/src/main/java/org/tasks/preferences/PermissionRequestor.java b/app/src/main/java/org/tasks/preferences/PermissionRequestor.java
index 71698560c..8a64d2dd3 100644
--- a/app/src/main/java/org/tasks/preferences/PermissionRequestor.java
+++ b/app/src/main/java/org/tasks/preferences/PermissionRequestor.java
@@ -1,6 +1,8 @@
 package org.tasks.preferences;
 
-import android.Manifest;
+import static com.todoroo.andlib.utility.AndroidUtilities.atLeastQ;
+
+import android.Manifest.permission;
 
 public abstract class PermissionRequestor {
 
@@ -17,7 +19,7 @@ public abstract class PermissionRequestor {
 
   public void requestMic() {
     if (!permissionChecker.canAccessMic()) {
-      requestPermission(Manifest.permission.RECORD_AUDIO, REQUEST_MIC);
+      requestPermissions(REQUEST_MIC, permission.RECORD_AUDIO);
     }
   }
 
@@ -29,9 +31,7 @@ public abstract class PermissionRequestor {
     if (permissionChecker.canAccessCalendars()) {
       return true;
     }
-    requestPermissions(
-        new String[] {Manifest.permission.READ_CALENDAR, Manifest.permission.WRITE_CALENDAR},
-        requestCode);
+    requestPermissions(requestCode, permission.READ_CALENDAR, permission.WRITE_CALENDAR);
     return false;
   }
 
@@ -39,7 +39,7 @@ public abstract class PermissionRequestor {
     if (permissionChecker.canAccessAccounts()) {
       return true;
     }
-    requestPermission(Manifest.permission.GET_ACCOUNTS, REQUEST_GOOGLE_ACCOUNTS);
+    requestPermissions(REQUEST_GOOGLE_ACCOUNTS, permission.GET_ACCOUNTS);
     return false;
   }
 
@@ -47,13 +47,14 @@ public abstract class PermissionRequestor {
     if (permissionChecker.canAccessLocation()) {
       return true;
     }
-    requestPermission(Manifest.permission.ACCESS_FINE_LOCATION, REQUEST_LOCATION);
+    if (atLeastQ()) {
+      requestPermissions(
+          REQUEST_LOCATION, permission.ACCESS_FINE_LOCATION, permission.ACCESS_BACKGROUND_LOCATION);
+    } else {
+      requestPermissions(REQUEST_LOCATION, permission.ACCESS_FINE_LOCATION);
+    }
     return false;
   }
 
-  private void requestPermission(String permission, int rc) {
-    requestPermissions(new String[] {permission}, rc);
-  }
-
-  protected abstract void requestPermissions(String[] permissions, int requestCode);
+  protected abstract void requestPermissions(int requestCode, String... permissions);
 }