diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 923a486..8263c16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: '17'
+          java-version: '19'
 
       - name: Build and test
         uses: gradle/gradle-build-action@v2
diff --git a/build.gradle.kts b/build.gradle.kts
index 3582de2..e70a9d0 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -15,10 +15,11 @@
  */
 import io.gitlab.arturbosch.detekt.Detekt
 import org.jetbrains.dokka.gradle.DokkaTask
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-  kotlin("jvm") version libs.versions.kotlin.get()
+  alias(libs.plugins.kotlin.jvm)
   alias(libs.plugins.dokka)
   alias(libs.plugins.detekt)
   alias(libs.plugins.lint)
@@ -53,19 +54,21 @@ spotless {
   }
 }
 
-configure<JavaPluginExtension> { toolchain { languageVersion.set(JavaLanguageVersion.of(17)) } }
+configure<JavaPluginExtension> { toolchain { languageVersion.set(JavaLanguageVersion.of(19)) } }
 
-tasks.withType<JavaCompile>().configureEach { options.release.set(8) }
+tasks.withType<JavaCompile>().configureEach {
+  options.release.set(libs.versions.jvmTarget.get().toInt())
+}
 
 tasks.withType<KotlinCompile>().configureEach {
-  kotlinOptions {
-    jvmTarget = "1.8"
-    allWarningsAsErrors = true
-    freeCompilerArgs = freeCompilerArgs + listOf("-progressive", "-opt-in=kotlin.RequiresOptIn")
+  compilerOptions {
+    jvmTarget.set(JvmTarget.fromTarget(libs.versions.jvmTarget.get()))
+    allWarningsAsErrors.set(true)
+    freeCompilerArgs.add("-progressive")
   }
 }
 
-tasks.withType<Detekt>().configureEach { jvmTarget = "1.8" }
+tasks.withType<Detekt>().configureEach { jvmTarget = libs.versions.jvmTarget.get() }
 
 tasks.withType<DokkaTask>().configureEach {
   outputDirectory.set(rootDir.resolve("../docs/0.x"))
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 8c624d5..61be4f5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,13 +1,14 @@
 [versions]
-kotlin = "1.6.10"
-ktfmt = "0.34"
-jvmTarget = "1.8"
+kotlin = "1.8.22"
+ktfmt = "0.43"
+jvmTarget = "17"
 
 [plugins]
-detekt = { id = "io.gitlab.arturbosch.detekt", version = "1.19.0" }
-dokka = { id = "org.jetbrains.dokka", version = "1.6.10" }
-lint = { id = "com.android.lint", version = "7.1.2" }
+detekt = { id = "io.gitlab.arturbosch.detekt", version = "1.23.0" }
+dokka = { id = "org.jetbrains.dokka", version = "1.8.20" }
+lint = { id = "com.android.lint", version = "8.0.2" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.19.0" }
+kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 spotless = { id = "com.diffplug.spotless", version = "6.19.0" }
 binaryCompatibilityValidator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.13.2" }
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 41d9927..c1962a7 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 41dfb87..37aef8d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 1b6c787..aeb74cb 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -143,12 +140,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in
@@ -205,6 +210,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
diff --git a/gradlew.bat b/gradlew.bat
index ac1b06f..6689b85 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +41,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +76,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
diff --git a/src/main/kotlin/slack/cli/AppleSiliconCompat.kt b/src/main/kotlin/slack/cli/AppleSiliconCompat.kt
index c15be95..ceb113f 100644
--- a/src/main/kotlin/slack/cli/AppleSiliconCompat.kt
+++ b/src/main/kotlin/slack/cli/AppleSiliconCompat.kt
@@ -16,7 +16,6 @@
 package slack.cli
 
 import eu.jrie.jetbrains.kotlinshell.shell.shell
-import kotlinx.coroutines.ExperimentalCoroutinesApi
 import okio.Buffer
 import slack.cli.AppleSiliconCompat.Arch.ARM64
 import slack.cli.AppleSiliconCompat.Arch.X86_64
@@ -35,7 +34,6 @@ public object AppleSiliconCompat {
    * https://developer.apple.com/documentation/apple-silicon/about-the-rosetta-translation-environment#Determine-Whether-Your-App-Is-Running-as-a-Translated-Binary
    */
   @Suppress("ReturnCount")
-  @OptIn(ExperimentalCoroutinesApi::class)
   public fun validate(errorMessage: () -> String) {
     if (System.getenv("SLACK_SKIP_APPLE_SILICON_CHECK")?.toBoolean() == true) {
       // Toe-hold to skip this check if anything goes wrong.
diff --git a/src/test/kotlin/slack/cli/TomlTest.kt b/src/test/kotlin/slack/cli/TomlTest.kt
index 7e71599..ed02451 100644
--- a/src/test/kotlin/slack/cli/TomlTest.kt
+++ b/src/test/kotlin/slack/cli/TomlTest.kt
@@ -28,7 +28,8 @@ class TomlTest {
       kotlin = "1.6.10" # Trailing comment is skipped
       # Skipped
       jvmTarget = "1.8"
-    """.trimIndent()
+    """
+        .trimIndent()
     val versions = Toml.parseVersion(toml.lineSequence())
     assertThat(versions).containsExactly("kotlin", "1.6.10", "jvmTarget", "1.8")
   }
@@ -45,7 +46,8 @@ class TomlTest {
       [libraries]
       # Skipped
       jvmTarget = "17"
-    """.trimIndent()
+    """
+        .trimIndent()
     val versions = Toml.parseVersion(toml.lineSequence())
     assertThat(versions).containsExactly("kotlin", "1.6.10", "jvmTarget", "1.8")
   }