diff --git a/Android/app/src/main/java/app/intra/sys/IntraVpnService.java b/Android/app/src/main/java/app/intra/sys/IntraVpnService.java
index 255e068a..50c8b166 100644
--- a/Android/app/src/main/java/app/intra/sys/IntraVpnService.java
+++ b/Android/app/src/main/java/app/intra/sys/IntraVpnService.java
@@ -296,7 +296,14 @@ public void signalStopService(boolean userInitiated) {
       builder.setSmallIcon(R.drawable.ic_status_bar)
           .setContentTitle(getResources().getText(R.string.warning_title))
           .setContentText(getResources().getText(R.string.notification_content))
-          .setFullScreenIntent(mainActivityIntent, true)  // Open the main UI if possible.
+          // This used to be a full-screen intent, which launched the main UI directly.  That has
+          // not worked for years: Android 10 restricts background activity starts, and Android 14
+          // only grants USE_FULL_SCREEN_INTENT to calling and alarm apps, so the system silently
+          // downgrades the notification to a heads-up notification.  Since no content intent was
+          // set, the result was a warning that could not be tapped at all.  A content intent gives
+          // the same "open the main UI" behavior on every supported version, without requiring a
+          // permission this app is not eligible for.
+          .setContentIntent(mainActivityIntent)
           .setAutoCancel(true);
 
       if (VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
diff --git a/Android/gradle.properties b/Android/gradle.properties
index 3846e22c..734bda0a 100644
--- a/Android/gradle.properties
+++ b/Android/gradle.properties
@@ -27,8 +27,8 @@ android.defaults.buildfeatures.buildconfig=true
 android.nonTransitiveRClass=false
 android.nonFinalResIds=false
 
-ANDROID_COMPILE_SDK_VERSION=35
-ANDROID_BUILD_TOOLS_VERSION=35.0.0
+ANDROID_COMPILE_SDK_VERSION=36
+ANDROID_BUILD_TOOLS_VERSION=36.0.0
 
 ANDROID_MIN_SDK_VERSION=21
-ANDROID_TARGET_SDK_VERSION=35
+ANDROID_TARGET_SDK_VERSION=36