diff --git a/app/build.gradle b/app/build.gradle
index c216b66f6..0fa1a8998 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -116,13 +116,13 @@ dependencies {
     def room_version = '2.3.0'
 
     implementation fileTree(dir: 'libs', include: ['*.jar'])
-    implementation 'androidx.appcompat:appcompat:1.3.0'
-    implementation 'androidx.core:core-ktx:1.5.0'
-    implementation 'androidx.fragment:fragment-ktx:1.3.5'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
+    implementation 'androidx.core:core-ktx:1.6.0'
+    implementation 'androidx.fragment:fragment-ktx:1.3.6'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.viewpager2:viewpager2:1.0.0'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
     implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
@@ -136,8 +136,8 @@ dependencies {
     // optional - Test helpers
     testImplementation "androidx.room:room-testing:$room_version"
     testImplementation 'junit:junit:4.13.2'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 
     // kotlin serialization
     implementation "org.jetbrains.kotlinx:kotlinx-serialization-runtime:1.0-M1-1.4.0-rc"
@@ -166,10 +166,10 @@ dependencies {
     implementation 'com.google.android.gms:play-services-location:18.0.0'
 
     // For Google Sign-In (owner name accesss)
-    implementation 'com.google.android.gms:play-services-auth:19.0.0'
+    implementation 'com.google.android.gms:play-services-auth:19.2.0'
 
     // Add the Firebase SDK for Crashlytics.
-    implementation 'com.google.firebase:firebase-crashlytics:18.0.1'
+    implementation 'com.google.firebase:firebase-crashlytics:18.2.0'
 
     // 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 e6e78abf2..d747fe45d 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 = '1.5.10'
-    ext.coroutines_version = "1.5.0"
+    ext.kotlin_version = '1.5.21'
+    ext.coroutines_version = "1.5.1"
 
     repositories {
         google()
@@ -10,7 +10,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
 
@@ -21,7 +21,7 @@ buildscript {
         // Check that you have the Google Services Gradle plugin v4.3.2 or later
         // (if not, add it).
         classpath 'com.google.gms:google-services:4.3.8'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.0'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.7.1'
 
         // 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 b84afd618..ea387286a 160000
--- a/geeksville-androidlib
+++ b/geeksville-androidlib
@@ -1 +1 @@
-Subproject commit b84afd618d7e80a7ff26d70e0cc5c2f418da7ff6
+Subproject commit ea387286a4c5168d666471d1ae030f65a49ffbbc