diff --git a/src/com/android/settings/accounts/AddAccountSettings.java b/src/com/android/settings/accounts/AddAccountSettings.java
index 64bb201e97b..81db4df3290 100644
--- a/src/com/android/settings/accounts/AddAccountSettings.java
+++ b/src/com/android/settings/accounts/AddAccountSettings.java
@@ -247,7 +247,8 @@ public class AddAccountSettings extends Activity {
         identityIntent.setAction(SHOULD_NOT_RESOLVE);
         identityIntent.addCategory(SHOULD_NOT_RESOLVE);
 
-        mPendingIntent = PendingIntent.getBroadcast(this, 0, identityIntent, 0);
+        mPendingIntent = PendingIntent.getBroadcast(this, 0, identityIntent,
+                PendingIntent.FLAG_IMMUTABLE);
         addAccountOptions.putParcelable(KEY_CALLER_IDENTITY, mPendingIntent);
         addAccountOptions.putBoolean(EXTRA_HAS_MULTIPLE_USERS, Utils.hasMultipleUsers(this));
         AccountManager.get(this).addAccountAsUser(
diff --git a/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java b/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
index 5a4ee1fe029..67c365007f3 100644
--- a/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
+++ b/src/com/android/settings/bluetooth/BluetoothSliceBuilder.java
@@ -129,13 +129,13 @@ public class BluetoothSliceBuilder {
     private static PendingIntent getPrimaryAction(Context context) {
         final Intent intent = getIntent(context);
         return PendingIntent.getActivity(context, 0 /* requestCode */,
-                intent, 0 /* flags */);
+                intent, PendingIntent.FLAG_IMMUTABLE);
     }
 
     private static PendingIntent getBroadcastIntent(Context context) {
         final Intent intent = new Intent(ACTION_BLUETOOTH_SLICE_CHANGED)
                 .setClass(context, SliceBroadcastReceiver.class);
         return PendingIntent.getBroadcast(context, 0 /* requestCode */, intent,
-                PendingIntent.FLAG_UPDATE_CURRENT);
+                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     }
 }
diff --git a/src/com/android/settings/homepage/contextualcards/slices/BatteryFixSlice.java b/src/com/android/settings/homepage/contextualcards/slices/BatteryFixSlice.java
index d99d01ed780..6a5b3000bc8 100644
--- a/src/com/android/settings/homepage/contextualcards/slices/BatteryFixSlice.java
+++ b/src/com/android/settings/homepage/contextualcards/slices/BatteryFixSlice.java
@@ -163,7 +163,8 @@ public class BatteryFixSlice implements CustomSliceable {
 
     private PendingIntent getPrimaryAction() {
         final Intent intent = getIntent();
-        return PendingIntent.getActivity(mContext, 0  /* requestCode */, intent, 0  /* flags */);
+        return PendingIntent.getActivity(mContext, 0  /* requestCode */, intent,
+                PendingIntent.FLAG_IMMUTABLE);
     }
 
     private Slice buildBatteryGoodSlice(ListBuilder sliceBuilder, boolean isError) {
diff --git a/src/com/android/settings/homepage/contextualcards/slices/LowStorageSlice.java b/src/com/android/settings/homepage/contextualcards/slices/LowStorageSlice.java
index 2bc09e9f72d..576b4355ea0 100644
--- a/src/com/android/settings/homepage/contextualcards/slices/LowStorageSlice.java
+++ b/src/com/android/settings/homepage/contextualcards/slices/LowStorageSlice.java
@@ -116,8 +116,8 @@ public class LowStorageSlice implements CustomSliceable {
 
     private RowBuilder buildRowBuilder(CharSequence title, String summary, IconCompat icon) {
         final SliceAction primarySliceAction = SliceAction.createDeeplink(
-                PendingIntent.getActivity(mContext, 0, getIntent(), 0), icon,
-                ListBuilder.ICON_IMAGE, title);
+                PendingIntent.getActivity(mContext, 0, getIntent(), PendingIntent.FLAG_IMMUTABLE),
+                icon, ListBuilder.ICON_IMAGE, title);
 
         return new RowBuilder()
                 .setTitleItem(icon, ListBuilder.ICON_IMAGE)
diff --git a/src/com/android/settings/location/LocationSlice.java b/src/com/android/settings/location/LocationSlice.java
index 275969046ad..f8add128e1e 100644
--- a/src/com/android/settings/location/LocationSlice.java
+++ b/src/com/android/settings/location/LocationSlice.java
@@ -96,6 +96,6 @@ public class LocationSlice implements CustomSliceable {
     private PendingIntent getPrimaryAction() {
         final Intent intent = getIntent();
         return PendingIntent.getActivity(mContext, 0 /* requestCode */,
-                intent, 0 /* flags */);
+                intent, PendingIntent.FLAG_IMMUTABLE);
     }
 }
diff --git a/src/com/android/settings/notification/zen/ZenModeSliceBuilder.java b/src/com/android/settings/notification/zen/ZenModeSliceBuilder.java
index c9a203e2f4c..14c91177de7 100644
--- a/src/com/android/settings/notification/zen/ZenModeSliceBuilder.java
+++ b/src/com/android/settings/notification/zen/ZenModeSliceBuilder.java
@@ -142,13 +142,14 @@ public class ZenModeSliceBuilder {
 
     private static PendingIntent getPrimaryAction(Context context) {
         final Intent intent = getIntent(context);
-        return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
+        return PendingIntent.getActivity(context, 0 /* requestCode */, intent,
+                PendingIntent.FLAG_IMMUTABLE);
     }
 
     private static PendingIntent getBroadcastIntent(Context context) {
         final Intent intent = new Intent(ACTION_ZEN_MODE_SLICE_CHANGED)
                 .setClass(context, SliceBroadcastReceiver.class);
         return PendingIntent.getBroadcast(context, 0 /* requestCode */, intent,
-                PendingIntent.FLAG_CANCEL_CURRENT);
+                PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     }
 }
diff --git a/src/com/android/settings/slices/CustomSliceable.java b/src/com/android/settings/slices/CustomSliceable.java
index 92c604e189a..57475a9aa90 100644
--- a/src/com/android/settings/slices/CustomSliceable.java
+++ b/src/com/android/settings/slices/CustomSliceable.java
@@ -95,7 +95,7 @@ public interface CustomSliceable extends Sliceable {
                 .setData(getUri())
                 .setClass(context, SliceBroadcastReceiver.class);
         return PendingIntent.getBroadcast(context, 0 /* requestCode */, intent,
-                PendingIntent.FLAG_UPDATE_CURRENT);
+                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     }
 
     @Override
diff --git a/src/com/android/settings/slices/SliceBuilderUtils.java b/src/com/android/settings/slices/SliceBuilderUtils.java
index 552927e1da2..402e044230d 100644
--- a/src/com/android/settings/slices/SliceBuilderUtils.java
+++ b/src/com/android/settings/slices/SliceBuilderUtils.java
@@ -159,7 +159,7 @@ public class SliceBuilderUtils {
                 .setClass(context, SliceBroadcastReceiver.class)
                 .putExtra(EXTRA_SLICE_KEY, data.getKey());
         return PendingIntent.getBroadcast(context, 0 /* requestCode */, intent,
-                PendingIntent.FLAG_UPDATE_CURRENT);
+                PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_MUTABLE);
     }
 
     /**
@@ -167,7 +167,8 @@ public class SliceBuilderUtils {
      */
     public static PendingIntent getContentPendingIntent(Context context, SliceData sliceData) {
         final Intent intent = getContentIntent(context, sliceData);
-        return PendingIntent.getActivity(context, 0 /* requestCode */, intent, 0 /* flags */);
+        return PendingIntent.getActivity(context, 0 /* requestCode */, intent,
+                PendingIntent.FLAG_IMMUTABLE);
     }
 
     /**