diff --git a/build.gradle.kts b/build.gradle.kts
index 47725d8..16e7a3e 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:2.2.20")
         classpath(libs.ktlint)
     }
 }
 
 plugins {
     application
-    kotlin("jvm") version "2.2.0"
+    kotlin("jvm") version "2.2.20"
     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 6047d58..48e8e6b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,23 +7,23 @@ slf4j = "2.0.17"
 # https://mvnrepository.com/artifact/com.sksamuel.hoplite/hoplite-core
 hoplite = "2.9.0"
 # https://mvnrepository.com/artifact/org.http4k/http4k-core
-http4k = "5.21.1.0"
+http4k = "6.18.1.0"
 # https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core
-jackson = "2.19.1"
+jackson = "2.20.0"
 # https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
-okhttp = "5.0.0"
+okhttp = "5.1.0"
 # https://mvnrepository.com/artifact/org.postgresql/postgresql
-postgresql = "42.7.7"
+postgresql = "42.7.8"
 # https://mvnrepository.com/artifact/org.flywaydb/flyway-core
-flyway = "11.10.1"
+flyway = "11.13.0"
 # 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 = "1.45.3"
+bolt = "1.45.4"
 # 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"