diff --git a/build.gradle b/build.gradle
index ba945a123..5b7745d16 100644
--- a/build.gradle
+++ b/build.gradle
@@ -28,7 +28,7 @@ repositories {
 apply plugin: "org.jlleitschuh.gradle.ktlint-idea"
 
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.7.21")
 
     testImplementation "org.hamcrest:hamcrest:2.2"
     testImplementation "org.mockito:mockito-core:3.12.+"