diff --git a/TODO.md b/TODO.md
index 7a5c6e49..5e50be3b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -2,6 +2,13 @@
 
 * move analytics out with https://blog.gradle.org/optional-dependencies
 
+# Android 30 location tasks
+
+* https://developer.android.com/about/versions/11/privacy/location#background-location - ask for foreground and background location separately
+* add "help location checkbox"
+* turn off "provideLocation" checkbox if we don't have background permission.  If someone tries to turn it on, raise dialog then ask for background permissions
+* add help button to location checkbox
+
 # Documentation tasks
 
 Mostly for geeksville 
diff --git a/app/build.gradle b/app/build.gradle
index 971e2664..57e35a72 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -36,7 +36,7 @@ android {
     defaultConfig {
         applicationId "com.geeksville.mesh"
         minSdkVersion 21 // The oldest emulator image I have tried is 22 (though 21 probably works)
-        targetSdkVersion 29 // 30 can't work until an explicit location permissions dialog is added
+        targetSdkVersion 30 // 30 can't work until an explicit location permissions dialog is added
         versionCode 20231 // format is Mmmss (where M is 1+the numeric major number
         versionName "1.2.31"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -117,11 +117,11 @@ dependencies {
 
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.2.0'
-    implementation 'androidx.core:core-ktx:1.3.2'
-    implementation 'androidx.fragment:fragment-ktx:1.3.3'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.fragment:fragment-ktx:1.3.4'
     implementation 'androidx.cardview:cardview:1.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'com.google.android.material:material:1.3.0'
     implementation 'androidx.viewpager2:viewpager2:1.0.0'
@@ -170,7 +170,7 @@ dependencies {
     implementation 'com.google.android.gms:play-services-auth:19.0.0'
 
     // Add the Firebase SDK for Crashlytics.
-    implementation 'com.google.firebase:firebase-crashlytics:17.4.1'
+    implementation 'com.google.firebase:firebase-crashlytics:18.0.1'
 
     // alas implementation bug deep in the bowels when I tried it for my SyncBluetoothDevice class
     // implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.3"
diff --git a/build.gradle b/build.gradle
index d1cb147b..e6e78abf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,8 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.5.0'
-    ext.coroutines_version = "1.4.3"
+    ext.kotlin_version = '1.5.10'
+    ext.coroutines_version = "1.5.0"
 
     repositories {
         google()
@@ -10,7 +10,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.0'
+        classpath 'com.android.tools.build:gradle:4.2.1'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
 
@@ -20,8 +20,8 @@ buildscript {
         // Add the Crashlytics Gradle plugin.
         // Check that you have the Google Services Gradle plugin v4.3.2 or later
         // (if not, add it).
-        classpath 'com.google.gms:google-services:4.3.5'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.2'
+        classpath 'com.google.gms:google-services:4.3.8'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.0'
 
         // protobuf plugin - docs here https://github.com/google/protobuf-gradle-plugin
         classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.15'
diff --git a/geeksville-androidlib b/geeksville-androidlib
index 9571ac92..30087d5e 160000
--- a/geeksville-androidlib
+++ b/geeksville-androidlib
@@ -1 +1 @@
-Subproject commit 9571ac92b6f893632627109a57b197a44a2d74f8
+Subproject commit 30087d5ee497f17b210b69aab7f20e369a294d20