diff --git a/.idea/misc.xml b/.idea/misc.xml
index 532bda1..e9c5e33 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -20,7 +20,7 @@
     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="12">
+        <list size="13">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
           <item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
@@ -33,12 +33,13 @@
           <item index="9" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
           <item index="10" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.qual.Nullable" />
           <item index="11" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NullableType" />
+          <item index="12" class="java.lang.String" itemvalue="org.jspecify.nullness.Nullable" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="11">
+        <list size="12">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
@@ -50,11 +51,12 @@
           <item index="8" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullType" />
           <item index="9" class="java.lang.String" itemvalue="org.checkerframework.checker.nullness.compatqual.NonNullDecl" />
           <item index="10" class="java.lang.String" itemvalue="org.eclipse.jdt.annotation.NonNull" />
+          <item index="11" class="java.lang.String" itemvalue="org.jspecify.nullness.NonNull" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index d2784d9..fd7ef8b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,12 +10,12 @@ repositories {
 }
 
 android {
-    compileSdkVersion 33
-    buildToolsVersion '33.0.0'
+    compileSdk 34
+    buildToolsVersion = '34.0.0'
     defaultConfig {
         applicationId "net.typeblog.shelter"
         minSdkVersion 24
-        targetSdkVersion 33
+        targetSdkVersion 34
         versionCode 23
         versionName "1.8"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
diff --git a/build.gradle b/build.gradle
index 0083903..18a93c4 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.0.2'
+        classpath 'com.android.tools.build:gradle:8.1.2'
         
 
         // NOTE: Do not place your application dependencies here; they belong