diff --git a/gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposeCompilerCompatibility.kt b/gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposeCompilerCompatibility.kt
index 8d5718ac3e..f67407d311 100644
--- a/gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposeCompilerCompatibility.kt
+++ b/gradle-plugins/compose/src/main/kotlin/org/jetbrains/compose/ComposeCompilerCompatibility.kt
@@ -9,6 +9,7 @@ internal object ComposeCompilerCompatibility {
         "1.7.20" to "1.3.2.2",
         "1.8.0" to "1.4.0",
         "1.8.10" to "1.4.2",
+        "1.8.20" to "1.4.5-rc02",
     )
 
     fun compilerVersionFor(kotlinVersion: String): String {
diff --git a/gradle-plugins/gradle.properties b/gradle-plugins/gradle.properties
index 582e976e73..47d5a2a809 100644
--- a/gradle-plugins/gradle.properties
+++ b/gradle-plugins/gradle.properties
@@ -4,11 +4,11 @@ kotlin.code.style=official
 # Default version of Compose Libraries used by Gradle plugin
 compose.version=1.3.1
 # The latest version of Compose Compiler used by Gradle plugin. Used only in tests/CI.
-compose.tests.compiler.version=1.4.2
+compose.tests.compiler.version=1.4.5-rc01
 # The latest version of Kotlin compatible with compose.tests.compiler.version. Used only in tests/CI.
-compose.tests.compiler.compatible.kotlin.version=1.8.10
+compose.tests.compiler.compatible.kotlin.version=1.8.20
 # The latest version of Kotlin compatible with compose.tests.compiler.version for JS target. Used only on CI.
-compose.tests.js.compiler.compatible.kotlin.version=1.8.10
+compose.tests.js.compiler.compatible.kotlin.version=1.8.20
 # __SUPPORTED_GRADLE_VERSIONS__
 compose.tests.gradle.versions=7.0.2, 8.0-rc-1