diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index 15dbd1a0..9c11ed7b 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 4896e0c9..10118312 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -39,7 +39,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="JDK" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" 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 817cf32e..f34f696d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,8 +17,8 @@ apply plugin: 'com.google.gms.google-services'
 
 android {
 
-    def appVersionCode = 90
-    def appVersionName = '1.8.3'
+    def appVersionCode = 91
+    def appVersionName = '1.8.4'
 
     signingConfigs {
         release {