diff --git a/.gitignore b/.gitignore
index 39fb081..513df7f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,11 @@
 /build
 /captures
 .externalNativeBuild
+.idea/caches/build_file_checksums.ser
+.idea/codeStyles/Project.xml
+.idea/gradle.xml
+.idea/jarRepositories.xml
+.idea/misc.xml
+.idea/modules.xml
+.idea/runConfigurations.xml
+.idea/vcs.xml
diff --git a/app/build.gradle b/app/build.gradle
index 253ae33..30b749a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId "dk.meznik.jan.encrypttext"
         minSdkVersion 23
         targetSdkVersion 25
-        versionCode 1
-        versionName "1.0"
+        versionCode 3
+        versionName "1.2.1"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
@@ -24,8 +24,8 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support.constraint:constraint-layout:1.0.2'
-    compile 'com.android.support:design:25.3.1'
+    compile 'com.android.support:appcompat-v7:25.4.0'
+    compile 'com.android.support.constraint:constraint-layout:1.1.3'
+    compile 'com.android.support:design:25.4.0'
     testCompile 'junit:junit:4.12'
 }
diff --git a/build.gradle b/build.gradle
index c2eea8e..a6ad490 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:4.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 519f479..fdbcb8e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,7 +1,6 @@
-#Wed Jun 07 10:40:00 CEST 2017
+#Mon Aug 17 17:10:14 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
-distributionSha256Sum=71a787faed83c4ef21e8464cc8452b941b5fcd575043aa29d39d15d879be89f7
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip