diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 114b6d970ae..27e260108cc 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -179,7 +179,7 @@ jobs:
       - name: jvmTest (K2 enabled)
         uses: gradle/gradle-build-action@v2
         with:
-          arguments: "jvmTest -Pkotlin_version=2.0.0-dev-5387 -Pkotlin_repo_url=https://maven.pkg.jetbrains.space/kotlin/p/kotlin/bootstrap -Pkotlin_language_version=2.0"
+          arguments: "jvmTest -Pkotlin_version=2.0.0-dev-6573 -Pkotlin_repo_url=https://maven.pkg.jetbrains.space/kotlin/p/kotlin/bootstrap -Pkotlin_language_version=2.0 -Pkotlin_api_version=2.0"
 
       - name: Upload reports
         if: failure()
diff --git a/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/IterableTest.kt b/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/IterableTest.kt
index fbc4acde102..0ee9cf24f08 100644
--- a/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/IterableTest.kt
+++ b/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/IterableTest.kt
@@ -1,3 +1,5 @@
+@file:Suppress("DUPLICATE_PARAMETER_NAME_IN_FUNCTION_TYPE")
+
 package arrow.core
 
 import arrow.core.test.either
diff --git a/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/SequenceKTest.kt b/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/SequenceKTest.kt
index a05b88c2f1a..17d2c11c917 100644
--- a/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/SequenceKTest.kt
+++ b/arrow-libs/core/arrow-core/src/commonTest/kotlin/arrow/core/SequenceKTest.kt
@@ -1,3 +1,5 @@
+@file:Suppress("DUPLICATE_PARAMETER_NAME_IN_FUNCTION_TYPE")
+
 package arrow.core
 
 import arrow.core.test.laws.MonoidLaws
diff --git a/arrow-libs/resilience/arrow-resilience/src/commonMain/kotlin/arrow/resilience/CircuitBreaker.kt b/arrow-libs/resilience/arrow-resilience/src/commonMain/kotlin/arrow/resilience/CircuitBreaker.kt
index d40ba606a65..c1950a7befd 100644
--- a/arrow-libs/resilience/arrow-resilience/src/commonMain/kotlin/arrow/resilience/CircuitBreaker.kt
+++ b/arrow-libs/resilience/arrow-resilience/src/commonMain/kotlin/arrow/resilience/CircuitBreaker.kt
@@ -520,24 +520,28 @@ private constructor(
       onClosed: suspend () -> Unit = suspend { },
       onHalfOpen: suspend () -> Unit = suspend { },
       onOpen: suspend () -> Unit = suspend { }
-    ): CircuitBreaker =
-      CircuitBreaker(
+    ): CircuitBreaker {
+      require(resetTimeout > Duration.ZERO) {
+        "resetTimeout expected to be greater than ${Duration.ZERO}, but was $resetTimeout"
+      }
+      require(exponentialBackoffFactor > 0) {
+        "exponentialBackoffFactor expected to be greater than 0, but was $exponentialBackoffFactor"
+      }
+      require(maxResetTimeout > Duration.ZERO) {
+        "maxResetTimeout expected to be greater than ${Duration.ZERO}, but was $maxResetTimeout"
+      }
+      return CircuitBreaker(
         state = Atomic(Closed(openingStrategy)),
-        resetTimeout = resetTimeout
-          .takeIf { it.isPositive() && it != Duration.ZERO }
-          .let { requireNotNull(it) { "resetTimeout expected to be greater than ${Duration.ZERO}, but was $resetTimeout" } },
-        exponentialBackoffFactor = exponentialBackoffFactor
-          .takeIf { it > 0 }
-          .let { requireNotNull(it) { "exponentialBackoffFactor expected to be greater than 0, but was $exponentialBackoffFactor" } },
-        maxResetTimeout = maxResetTimeout
-          .takeIf { it.isPositive() && it != Duration.ZERO }
-          .let { requireNotNull(it) { "maxResetTimeout expected to be greater than ${Duration.ZERO}, but was $maxResetTimeout" } },
+        resetTimeout = resetTimeout,
+        exponentialBackoffFactor = exponentialBackoffFactor,
+        maxResetTimeout = maxResetTimeout,
         timeSource = timeSource,
         onRejected = onRejected,
         onClosed = onClosed,
         onHalfOpen = onHalfOpen,
         onOpen = onOpen
       )
+    }
   }
 
   public sealed class OpeningStrategy {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 97239cc13cd..09cf16edb6b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,15 +8,15 @@ dokka = "1.9.10"
 jUnit = "4.13.2"
 jUnitJupiter = "5.10.0"
 jUnitVintage = "5.10.0"
-kotest = "5.7.2"
-kotestGradle = "5.7.2"
+kotest = "5.8.0"
+kotestGradle = "5.8.0"
 kover = "0.7.4"
-kotlin = "1.9.10"
-kotlinxSerializationPlugin = "1.9.10"
+kotlin = "1.9.20"
+kotlinxSerializationPlugin = "1.9.20"
 kotlinBinaryCompatibilityValidator = "0.13.2"
 kotlinCompileTesting = "1.5.0"
 knit = "0.4.0"
-kspVersion = "1.9.10-1.0.13"
+kspVersion = "1.9.20-1.0.14"
 kotlinxSerialization = "1.6.0"
 mockWebServer = "4.12.0"
 retrofit = "2.9.0"