diff --git a/build.gradle b/build.gradle
index 4f8b256..0db9f23 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     apply from: 'maven.gradle'
-    ext.kotlin_version = '1.5.20'
+    ext.kotlin_version = '1.6.21'
     repositories {
         mavenLocal()
         maven {
@@ -14,7 +14,7 @@ buildscript {
     }
     dependencies {
         classpath "com.android.tools.build:gradle:4.2.2"
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.6.21"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}"
         classpath 'com.vanniktech:gradle-maven-publish-plugin:0.18.0'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/comm/build.gradle b/comm/build.gradle
index 73cdcda..b9d07d2 100644
--- a/comm/build.gradle
+++ b/comm/build.gradle
@@ -10,7 +10,7 @@ java {
 }
 dependencies {
     api 'com.squareup.okio:okio:2.10.0'
-    api("org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.5.2")
+    api("org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.6.1")
     api("org.jetbrains.kotlin:kotlin-reflect:${kotlin_version}")
     implementation 'junit:junit:4.12'
 }