diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ff667d..59496f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## (Upcoming)
+
+**Kotlin 1.9.23**
+
+- Updated the language level to 1.9.23
+- Minor source changes to satisfy _ktlint_
+- Minor changes due to new language level and library versions
+
+**Version Catalogs**
+- Adopted _version catalog_ dependency management.
+
 ## Version 5.0.0 (6 March, 2022)
 
 A new stable release for your favourite Retrofit call adapter. v5 is a culmination of a lot of community contributions and an overhaul of the internals of the library.
diff --git a/build.gradle.kts b/build.gradle.kts
index c606dd0..5485f42 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,9 +1,9 @@
 import org.jlleitschuh.gradle.ktlint.KtlintExtension
 
 plugins {
-    kotlin("jvm") version "1.6.0"
-    id("org.jetbrains.dokka") version "1.6.0"
-    id("org.jlleitschuh.gradle.ktlint") version "10.2.0"
+    alias(libs.plugins.kotlinJvm)
+    alias(libs.plugins.dokka)
+    alias(libs.plugins.ktlint)
     `maven-publish`
 }
 
@@ -25,7 +25,7 @@ val test by tasks.getting(Test::class) {
 }
 
 configure<KtlintExtension> {
-    version.set("0.43.0")
+    version.set("0.47.1")
     ignoreFailures.set(false)
     disabledRules.set(setOf("no-wildcard-imports"))
 }
@@ -43,22 +43,18 @@ publishing {
 }
 
 dependencies {
-    val coroutinesVersion = "1.5.2"
-    val retrofitVersion = "2.9.0"
-    val okHttpVersion = "4.9.3"
-    val kotestVersion = "5.0.1"
 
-    api("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-    api("org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutinesVersion")
-    api("com.squareup.retrofit2:retrofit:$retrofitVersion")
-    api("com.squareup.okhttp3:okhttp:$okHttpVersion")
+    api(libs.coroutines)
+    api(libs.retrofit)
+    api(libs.okhttp)
+    api(libs.okio)
 
-    testImplementation("com.squareup.okhttp3:mockwebserver:$okHttpVersion")
-    testImplementation("com.google.guava:guava:31.0.1-jre")
-    testImplementation("io.kotest:kotest-runner-junit5:$kotestVersion")
-    testImplementation("io.kotest:kotest-assertions-core:$kotestVersion")
-    testImplementation("com.squareup.moshi:moshi-kotlin:1.12.0")
-    testImplementation("com.squareup.retrofit2:converter-moshi:$retrofitVersion")
+    testImplementation(libs.okhttp.mock.webserver)
+    testImplementation(libs.guava)
+    testImplementation(libs.kotest.runner)
+    testImplementation(libs.kotest.assertion)
+    testImplementation(libs.moshi)
+    testImplementation(libs.retrofit.converter.moshi)
 }
 
 tasks.dokkaGfm.configure {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 0000000..19b669e
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,38 @@
+[versions]
+coroutines = "1.5.2"
+dokka = "1.9.20"
+guava = "33.0.0-jre"
+jupiter = "5.6.0"
+kotest = "5.8.1"
+kotlin = "1.9.23"
+ktlint = "12.1.0"
+moshi = "1.12.0"
+okhttp = "4.12.0"
+okio = "3.9.0"
+retrofit = "2.9.0"
+serialization = "1.6.3"
+serialization-converter = "1.0.0"
+
+
+[libraries]
+coroutines = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "coroutines" }
+guava = { module = "com.google.guava:guava", version.ref = "guava" }
+jupiter-api = { module = "org.junit.jupiter:junit-jupiter-api", version.ref = "jupiter" }
+jupiter-engine = { module = "org.junit.jupiter:junit-jupiter-engine", version.ref = "jupiter" }
+kotest-assertion = { module = "io.kotest:kotest-assertions-core", version.ref = "kotest" }
+kotest-runner = { module = "io.kotest:kotest-runner-junit5", version.ref = "kotest" }
+moshi = { module = "com.squareup.moshi:moshi-kotlin", version.ref = "moshi" }
+okhttp = { module = "com.squareup.okhttp3:okhttp", version.ref = "okhttp" }
+okhttp-mock-webserver = { module = "com.squareup.okhttp3:mockwebserver", version.ref = "okhttp" }
+okio = { module = "com.squareup.okio:okio", version.ref = "okio" }
+retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
+retrofit-converter-moshi = { module = "com.squareup.retrofit2:converter-moshi", version.ref = "retrofit" }
+serialization-converter = { module = "com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter", version.ref = "serialization-converter" }
+serialization-json = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "serialization" }
+
+
+[plugins]
+kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
+dokka = { id = "org.jetbrains.dokka", version.ref = "dokka" }
+ktlint = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint" }
+serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 2e6e589..d0d403e 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/sample/build.gradle.kts b/sample/build.gradle.kts
index 15be78e..c4b8a29 100644
--- a/sample/build.gradle.kts
+++ b/sample/build.gradle.kts
@@ -1,8 +1,8 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-    kotlin("jvm")
-    kotlin("plugin.serialization") version "1.5.31"
+    alias(libs.plugins.kotlinJvm)
+    alias(libs.plugins.serialization)
 }
 
 group = "com.haroldadmin"
@@ -20,11 +20,11 @@ tasks.withType<KotlinCompile> {
 
 dependencies {
     implementation(project(":"))
-    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.3.1")
-    implementation("com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:0.8.0")
+    implementation(libs.serialization.json)
+    implementation(libs.serialization.converter)
 
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.6.0")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+    testImplementation(libs.jupiter.api)
+    testRuntimeOnly(libs.jupiter.engine)
 }
 
 tasks.getByName<Test>("test") {
diff --git a/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/App.kt b/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/App.kt
index a4f84d0..f0bfc75 100644
--- a/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/App.kt
+++ b/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/App.kt
@@ -12,8 +12,8 @@ import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import retrofit2.Retrofit
 
-val url = "https://jsonplaceholder.typicode.com"
-val contentType = "application/json".toMediaType()
+private const val url = "https://jsonplaceholder.typicode.com"
+private val contentType = "application/json".toMediaType()
 
 val loggingInterceptor = { chain: Interceptor.Chain ->
     val method = chain.request().method
@@ -24,7 +24,6 @@ val loggingInterceptor = { chain: Interceptor.Chain ->
 
 val okHttp = OkHttpClient.Builder().addInterceptor(loggingInterceptor).build()
 
-@OptIn(ExperimentalSerializationApi::class)
 val retrofit: Retrofit = Retrofit.Builder()
     .baseUrl(url)
     .addCallAdapterFactory(NetworkResponseAdapterFactory())
diff --git a/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/Post.kt b/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/Post.kt
index fcdf749..00487fd 100644
--- a/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/Post.kt
+++ b/sample/src/main/kotlin/com/haroldadmin/cnradapter/sample/Post.kt
@@ -1,6 +1,5 @@
 package com.haroldadmin.cnradapter.sample
 
-import com.haroldadmin.cnradapter.CompletableResponse
 import com.haroldadmin.cnradapter.NetworkResponse
 import kotlinx.serialization.Serializable
 import retrofit2.http.Body
diff --git a/settings.gradle.kts b/settings.gradle.kts
index caca479..ceab5b8 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,12 +1,3 @@
-/*
- * This file was generated by the Gradle 'init' task.
- *
- * The settings file is used to specify which projects to include in your build.
- *
- * Detailed information about configuring a multi-project build in Gradle can be found
- * in the user manual at https://docs.gradle.org/5.4.1/userguide/multi_project_builds.html
- */
-
 rootProject.name = "coroutines-network-response-adapter"
 
 pluginManagement {
@@ -14,4 +5,12 @@ pluginManagement {
         gradlePluginPortal()
     }
 }
+
+dependencyResolutionManagement {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
 include("sample")
diff --git a/src/main/kotlin/com/haroldadmin/cnradapter/DeferredNetworkResponseAdapter.kt b/src/main/kotlin/com/haroldadmin/cnradapter/DeferredNetworkResponseAdapter.kt
index 7169f27..41795f5 100644
--- a/src/main/kotlin/com/haroldadmin/cnradapter/DeferredNetworkResponseAdapter.kt
+++ b/src/main/kotlin/com/haroldadmin/cnradapter/DeferredNetworkResponseAdapter.kt
@@ -18,7 +18,7 @@ import java.lang.reflect.Type
  */
 internal class DeferredNetworkResponseAdapter<S, E>(
     private val successType: Type,
-    private val errorConverter: Converter<ResponseBody, E>,
+    private val errorConverter: Converter<ResponseBody, E>
 ) : CallAdapter<S, Deferred<NetworkResponse<S, E>>> {
     override fun responseType(): Type {
         return successType
diff --git a/src/main/kotlin/com/haroldadmin/cnradapter/NetworkResponse.kt b/src/main/kotlin/com/haroldadmin/cnradapter/NetworkResponse.kt
index f58ea71..aa5824b 100644
--- a/src/main/kotlin/com/haroldadmin/cnradapter/NetworkResponse.kt
+++ b/src/main/kotlin/com/haroldadmin/cnradapter/NetworkResponse.kt
@@ -83,7 +83,7 @@ public sealed interface NetworkResponse<S, E> {
      */
     public data class ServerError<S, E>(
         public override val body: E?,
-        public val response: Response<*>?,
+        public val response: Response<*>?
     ) : Error<S, E> {
         /**
          * The status code returned by the server.
@@ -109,7 +109,7 @@ public sealed interface NetworkResponse<S, E> {
      * The result of a network connectivity error
      */
     public data class NetworkError<S, E>(
-        public override val error: IOException,
+        public override val error: IOException
     ) : Error<S, E> {
 
         /**
diff --git a/src/main/kotlin/com/haroldadmin/cnradapter/ResponseParser.kt b/src/main/kotlin/com/haroldadmin/cnradapter/ResponseParser.kt
index fbc834a..db59923 100644
--- a/src/main/kotlin/com/haroldadmin/cnradapter/ResponseParser.kt
+++ b/src/main/kotlin/com/haroldadmin/cnradapter/ResponseParser.kt
@@ -85,7 +85,7 @@ private fun <S, E> parseSuccessfulResponse(response: Response<S>, successType: T
  */
 internal fun <S, E> Throwable.asNetworkResponse(
     successType: Type,
-    errorConverter: Converter<ResponseBody, E>,
+    errorConverter: Converter<ResponseBody, E>
 ): NetworkResponse<S, E> {
     return when (this) {
         is IOException -> NetworkResponse.NetworkError(this)