diff --git a/build.gradle.kts b/build.gradle.kts
index 43c9dfd..7835fd7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,14 +3,14 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:2.3.0")
         classpath(libs.ktlint)
     }
 }
 
 plugins {
     application
-    kotlin("jvm") version "2.2.0"
+    kotlin("jvm") version "2.3.0"
     id("jacoco")
     alias(libs.plugins.ktlint)
 }
@@ -49,7 +49,7 @@ dependencies {
     implementation(libs.tyrusClient)
     implementation(libs.bundles.slf4j)
 
-    testImplementation("com.h2database:h2:2.3.232")
+    testImplementation("com.h2database:h2:2.4.240")
     testImplementation(kotlin("test-junit"))
 }
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 97aa93a..4e0d366 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -5,25 +5,25 @@ kotlin = "2.2.0"
 # https://mvnrepository.com/artifact/org.slf4j/slf4j-api
 slf4j = "2.0.17"
 # https://mvnrepository.com/artifact/com.sksamuel.hoplite/hoplite-core
-hoplite = "2.7.5" # Updating the version of hoplite seems to break the /emoji help command
+hoplite = "2.9.0" # Updating the version of hoplite seems to break the /emoji help command
 # https://mvnrepository.com/artifact/org.http4k/http4k-core
-http4k = "5.21.1.0"
+http4k = "6.26.1.0"
 # https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core
-jackson = "2.19.1"
+jackson = "2.21.0"
 # https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
-okhttp = "5.0.0"
+okhttp = "5.3.2"
 # https://mvnrepository.com/artifact/org.postgresql/postgresql
-postgresql = "42.7.7"
+postgresql = "42.7.9"
 # https://mvnrepository.com/artifact/org.flywaydb/flyway-core
-flyway = "11.10.1"
+flyway = "12.0.0"
 # https://mvnrepository.com/artifact/com.sksamuel.scrimage/scrimage-core
-scrimage = "4.3.2"
+scrimage = "4.3.5"
 # https://mvnrepository.com/artifact/com.slack.api/bolt
-bolt = "1.45.4"
+bolt = "1.46.0"
 # https://mvnrepository.com/artifact/javax.websocket/javax.websocket-api
 websocket = "1.1"
 # https://mvnrepository.com/artifact/org.glassfish.tyrus.bundles/tyrus-standalone-client
-tyrus = "1.21" # bolt does not support newer than v1.x
+tyrus = "1.22" # bolt does not support newer than v1.x
 # https://mvnrepository.com/artifact/com.target/lite-for-jdbc
 liteForJdbc = "3.0.2"
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 9bbc975..61285a6 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 d4081da..19a6bde 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index faf9300..adff685 100755
--- a/gradlew
+++ b/gradlew
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -114,7 +114,6 @@ case "$( uname )" in                #(
   NONSTOP* )        nonstop=true ;;
 esac
 
-CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 
 # Determine the Java command to use to start the JVM.
@@ -172,7 +171,6 @@ fi
 # For Cygwin or MSYS, switch paths to Windows format before running java
 if "$cygwin" || "$msys" ; then
     APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
-    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
 
     JAVACMD=$( cygpath --unix "$JAVACMD" )
 
@@ -212,8 +210,7 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
-        -classpath "$CLASSPATH" \
-        org.gradle.wrapper.GradleWrapperMain \
+        -jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
         "$@"
 
 # Stop when "xargs" is not available.
diff --git a/gradlew.bat b/gradlew.bat
old mode 100644
new mode 100755
index 9b42019..e509b2d
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -70,11 +70,10 @@ goto fail
 :execute
 @rem Setup the command line
 
-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
 
 :end
 @rem End local scope for the variables with windows NT shell