diff --git a/build.gradle.kts b/build.gradle.kts
index 2281bc86..0a8c48c5 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,8 +16,6 @@ plugins {
 group = properties("pluginGroup").get()
 version = properties("pluginVersion").get()
 
-val jdkVersion = libs.versions.jdk.get()
-
 allprojects {
     apply {
         with(rootProject.libs.plugins) {
@@ -38,18 +36,6 @@ allprojects {
     }
 
     tasks {
-        withType<JavaCompile> {
-            sourceCompatibility = jdkVersion
-            targetCompatibility = JavaVersion.VERSION_17.toString()
-        }
-        withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-            kotlinOptions.jvmTarget = JavaVersion.VERSION_17.toString()
-        }
-
-        withType<Detekt>().configureEach {
-            jvmTarget = jdkVersion
-        }
-
         test {
             useJUnit()
         }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b12114d4..752139b0 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,7 +3,8 @@ kotlin = "1.8.10"
 intellij = "1.16.1"
 detekt = "1.22.0"
 buildconfig = "3.1.0"
-jdk = "17"
+jdk17 = "17"
+jdk11 = "11"
 kaml = "0.52.0"
 serialization = "1.8.10"
 snakeyaml = "2.0"
diff --git a/ij-plugin/build.gradle.kts b/ij-plugin/build.gradle.kts
index e3a22dc6..100f9a39 100644
--- a/ij-plugin/build.gradle.kts
+++ b/ij-plugin/build.gradle.kts
@@ -1,3 +1,4 @@
+import io.gitlab.arturbosch.detekt.Detekt
 import org.jetbrains.changelog.markdownToHTML
 
 group = rootProject.group
@@ -10,6 +11,8 @@ plugins {
     alias(libs.plugins.intellij)
 }
 
+val jdkVersion = libs.versions.jdk17.get()
+
 dependencies {
     implementation(rootProject.libs.kaml)
     implementation(rootProject.libs.snakeyaml)
@@ -53,4 +56,17 @@ tasks {
         sinceBuild.set(properties("pluginSinceBuild"))
         untilBuild.set(properties("pluginUntilBuild"))
     }
+
+    withType<JavaCompile> {
+        sourceCompatibility = jdkVersion
+        targetCompatibility = JavaVersion.VERSION_17.toString()
+    }
+    withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+        kotlinOptions.jvmTarget = JavaVersion.VERSION_17.toString()
+    }
+
+    withType<Detekt>().configureEach {
+        jvmTarget = jdkVersion
+    }
+
 }
diff --git a/ij-server/build.gradle.kts b/ij-server/build.gradle.kts
index 23d5c8e0..7f1e64a0 100644
--- a/ij-server/build.gradle.kts
+++ b/ij-server/build.gradle.kts
@@ -1,3 +1,5 @@
+import io.gitlab.arturbosch.detekt.Detekt
+
 group = rootProject.group
 version = rootProject.version
 
@@ -6,6 +8,8 @@ plugins {
     id(libs.plugins.ktor.get().pluginId) version libs.versions.ktor.get()
 }
 
+val jdkVersion = libs.versions.jdk11.get()
+
 application {
     mainClass.set("org.jetbrains.research.tasktracker.ApplicationKt")
 
@@ -25,3 +29,17 @@ dependencies {
     testImplementation(rootProject.libs.ktor.server.tests)
     testImplementation(rootProject.libs.h2)
 }
+
+tasks{
+    withType<JavaCompile> {
+        sourceCompatibility = jdkVersion
+        targetCompatibility = JavaVersion.VERSION_17.toString()
+    }
+    withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
+        kotlinOptions.jvmTarget = JavaVersion.VERSION_17.toString()
+    }
+
+    withType<Detekt>().configureEach {
+        jvmTarget = jdkVersion
+    }
+}