diff --git a/uhabits-android/build.gradle.kts b/uhabits-android/build.gradle.kts
index 0a91c316a..9cee33a07 100644
--- a/uhabits-android/build.gradle.kts
+++ b/uhabits-android/build.gradle.kts
@@ -68,7 +68,7 @@ android {
 
 dependencies {
     val daggerVersion = "2.31.2"
-    val kotlinVersion = "1.4.21"
+    val kotlinVersion = "1.4.21-2"
     val kxCoroutinesVersion = "1.4.2"
     val ktorVersion = "1.5.1"
     val espressoVersion = "3.3.0"
diff --git a/uhabits-server/build.gradle.kts b/uhabits-server/build.gradle.kts
index 7ed44ca68..a19f76e30 100644
--- a/uhabits-server/build.gradle.kts
+++ b/uhabits-server/build.gradle.kts
@@ -34,7 +34,7 @@ application {
 
 dependencies {
     val ktorVersion = "1.5.1"
-    val kotlinVersion = "1.4.21"
+    val kotlinVersion = "1.4.21-2"
     val logbackVersion = "1.2.3"
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlinVersion")
     implementation("io.ktor:ktor-server-netty:$ktorVersion")