diff --git a/build.gradle.kts b/build.gradle.kts
index aed1db3..14a954c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ repositories {
 }
 
 kotlin {
-    jvmToolchain(8)
+    jvmToolchain(11)
     jvm {
         withJava()
         testRuns.named("test") {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index af08383..8b705e8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -12,7 +12,7 @@ common-test-kotlin = { module = "org.jetbrains.kotlin:kotlin-test", version.ref
 common-test-ktorMock = { module = "io.ktor:ktor-client-mock", version.ref = "ktor" }
 
 jvm-ktor-client = { module = "io.ktor:ktor-client-okhttp", version.ref = "ktor" }
-jvm-ktor-logging = "ch.qos.logback:logback-classic:1.3.0"
+jvm-ktor-logging = "ch.qos.logback:logback-classic:1.5.6"
 
 macos-ktor-client = { module = "io.ktor:ktor-client-darwin", version.ref = "ktor" }