diff --git a/tegro-bot/build.gradle.kts b/tegro-bot/build.gradle.kts
index bb591cb..14305a0 100644
--- a/tegro-bot/build.gradle.kts
+++ b/tegro-bot/build.gradle.kts
@@ -24,7 +24,7 @@ dependencies {
     implementation("io.ktor:ktor-client-logging-jvm:$ktorVersion")
     implementation("io.ktor:ktor-server-cio:$ktorVersion")
     implementation("io.ktor:ktor-server-call-logging:$ktorVersion")
-    implementation("org.jetbrains.kotlinx:atomicfu:0.19.0")
+    implementation("org.jetbrains.kotlinx:atomicfu:0.21.0")
     implementation("org.jetbrains.kotlinx:kotlinx-datetime:0.4.0")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:1.6.4")
     implementation("org.jetbrains.exposed:exposed-core:0.41.1")