diff --git a/uhabits-android/build.gradle.kts b/uhabits-android/build.gradle.kts
index 74ca26df4..f215fe74a 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 = "1.5.0"
     val espressoVersion = "3.3.0"
diff --git a/uhabits-server/build.gradle.kts b/uhabits-server/build.gradle.kts
index 7e2fe8775..bc3f7b508 100644
--- a/uhabits-server/build.gradle.kts
+++ b/uhabits-server/build.gradle.kts
@@ -34,7 +34,7 @@ application {
 
 dependencies {
     val ktorVersion = "1.5.0"
-    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")