diff --git a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/testbase/TestVersions.kt b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/testbase/TestVersions.kt
index 3e884815ef8..73570cd08f6 100644
--- a/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/testbase/TestVersions.kt
+++ b/libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/testbase/TestVersions.kt
@@ -10,6 +10,9 @@ import org.gradle.util.GradleVersion
 import org.jetbrains.kotlin.gradle.utils.minSupportedGradleVersion
 
 interface TestVersions {
+
+    // https://gradle.org/nightly/
+    // Gradle nightly releases retention policy is 3 months
     object Gradle {
         const val G_6_8 = "6.8.3"
         const val G_6_9 = "6.9.2"
@@ -20,9 +23,8 @@ interface TestVersions {
         const val G_7_4 = "7.4.2"
         const val G_7_5 = "7.5.1"
         const val G_7_6 = "7.6"
-        // https://gradle.org/nightly/
-        // Retention policy is 3 months
         const val G_8_0 = "8.0.2"
+        const val G_8_1 = "8.1"
         const val MIN_SUPPORTED = minSupportedGradleVersion
         const val MIN_SUPPORTED_KPM = G_7_0
         const val MAX_SUPPORTED = G_7_6