diff --git a/TMessagesProj/build.gradle b/TMessagesProj/build.gradle
index 75ccdfc46..a2993c48f 100644
--- a/TMessagesProj/build.gradle
+++ b/TMessagesProj/build.gradle
@@ -390,7 +390,7 @@ def playCoreVersion = "1.10.0"
 dependencies {
 
     implementation "androidx.browser:browser:1.3.0"
-    implementation "androidx.core:core-ktx:1.6.0-alpha02"
+    implementation 'androidx.core:core-ktx:1.6.0-alpha03'
     implementation "androidx.palette:palette-ktx:1.0.0"
     implementation "androidx.viewpager:viewpager:1.0.0"
     implementation "androidx.exifinterface:exifinterface:1.3.2"
@@ -399,7 +399,7 @@ dependencies {
     implementation "androidx.multidex:multidex:2.0.1"
     implementation "androidx.sharetarget:sharetarget:1.1.0"
 
-    compileOnly "org.checkerframework:checker-qual:3.12.0"
+    compileOnly 'org.checkerframework:checker-qual:3.13.0'
     compileOnly "org.checkerframework:checker-compat-qual:2.5.5"
 
     // don"t change this :)
@@ -408,16 +408,16 @@ dependencies {
 
     implementation "com.google.code.gson:gson:2.8.6"
     implementation "org.osmdroid:osmdroid-android:6.1.10"
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32"
-    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.3"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.5.0"
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.5.0'
 
     implementation "com.squareup.okhttp3:okhttp:$okHttpVersion"
     implementation "dnsjava:dnsjava:3.3.1"
     implementation "org.dizitart:nitrite:3.4.3"
 
-    implementation "cn.hutool:hutool-core:5.6.3"
-    implementation "cn.hutool:hutool-crypto:5.6.3"
-    implementation "cn.hutool:hutool-http:5.6.3"
+    implementation "cn.hutool:hutool-core:5.6.4"
+    implementation "cn.hutool:hutool-crypto:5.6.4"
+    implementation "cn.hutool:hutool-http:5.6.4"
     implementation "com.jakewharton:process-phoenix:2.0.0"
 
     compileOnly "org.yaml:snakeyaml:1.28"
diff --git a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/parts/Signtures.kt b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/parts/Signtures.kt
index b595159d7..adbc8f38f 100644
--- a/TMessagesProj/src/main/java/tw/nekomimi/nekogram/parts/Signtures.kt
+++ b/TMessagesProj/src/main/java/tw/nekomimi/nekogram/parts/Signtures.kt
@@ -29,7 +29,7 @@ fun Context.getSha256Signature(packageName: String): String {
         } else {
             appInfo.signatures[0].toByteArray()
         }
-    ).toUpperCase()
+    ).uppercase()
 }
 
 fun Context.isVerified(): Boolean {
diff --git a/build.gradle b/build.gradle
index 3bcaa8ac8..4cfdd18a8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,12 +8,12 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.3'
-        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.32'
+        classpath 'org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.0'
         classpath 'com.google.gms:google-services:4.3.5'
         classpath 'com.google.firebase:firebase-crashlytics-gradle:2.5.2'
         classpath 'gradle.plugin.org.mozilla.rust-android-gradle:plugin:0.8.3'
         classpath 'com.github.triplet.gradle:play-publisher:3.0.0'
-        classpath 'cn.hutool:hutool-core:5.6.3'
+        classpath 'cn.hutool:hutool-core:5.6.4'
     }
 }