diff --git a/.idea/deploymentTargetDropDown.xml b/.idea/deploymentTargetDropDown.xml
new file mode 100644
index 000000000..bab7cd61b
--- /dev/null
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <targetSelectedWithDropDown>
+      <Target>
+        <type value="QUICK_BOOT_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="$USER_HOME$/.android/avd/Pixel_2_API_30_-_latest.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </targetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2021-11-17T18:04:23.428348Z" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index d62ebed07..c9c652ff1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@
 
 buildscript {
     ext.kotlin_version = '1.6.0'
-    ext.coroutines_version = "1.5.1"
+    ext.coroutines_version = "1.5.2"
 
     repositories {
         google()
diff --git a/geeksville-androidlib b/geeksville-androidlib
index 3a1419e1d..d89974db4 160000
--- a/geeksville-androidlib
+++ b/geeksville-androidlib
@@ -1 +1 @@
-Subproject commit 3a1419e1dc8eba0f9b2487c8063bf44eed7da2d9
+Subproject commit d89974db464d3dd84632c6effc9821f5bf10a8a0