diff --git a/build.gradle b/build.gradle
index 2c05856f0..83a4815ad 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:3.6.3'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 38a8a7d45..649149d92 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Thu Oct 24 17:45:27 JST 2019
+#Mon Apr 20 10:36:29 CEST 2020
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
diff --git a/twidere/build.gradle b/twidere/build.gradle
index 82a3adfa0..ec64610eb 100644
--- a/twidere/build.gradle
+++ b/twidere/build.gradle
@@ -144,7 +144,7 @@ android {
         exclude 'jsr305_annotations/**'
         exclude 'error_prone/**'
         exclude 'third_party/java_src/**'
-        exclude 'sdk-version.​txt'
+        exclude 'sdk-version.txt'
         exclude 'build-data.properties'
     }