diff --git a/build.gradle.kts b/build.gradle.kts
index 7d65ec0e9..1c7779d84 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,27 +1,28 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 val mainClass = "no.nav.k9.los.K9LosKt"
 val hikariVersion = "5.0.1"
-val flywayVersion = "9.22.1"
+val flywayVersion = "9.22.3"
 val vaultJdbcVersion = "1.3.10"
 val koinVersion = "3.4.3"
 val kotliqueryVersion = "1.9.0"
-val k9SakVersion = "4.1.1"
+val k9SakVersion = "4.1.2"
 val k9KlageVersion = "0.4.0"
 val fuelVersion = "2.3.1"
-val jacksonVersion = "2.15.2"
+val jacksonVersion = "2.15.3"
 
-val dusseldorfKtorVersion = "4.0.10"
+val dusseldorfKtorVersion = "4.1.0"
 val ktorVersion = "2.3.5"
-val kafkaVersion = "3.5.1"
+val kafkaVersion = "3.6.0"
 
 val navTilgangskontroll = "2.2023.01.09_08.56-ae38750bc0d9"
 
 // Test Dependencies
-val testContainers = "1.19.0"
+val testContainers = "1.19.1"
 val jsonassertVersion = "1.5.1"
 val jupiterVersion = "5.10.0"
+val assertkVersion = "0.26.1"
+val mockkVersion = "1.13.8"
 
 plugins {
     id("org.jetbrains.kotlin.jvm") version "1.9.10"
@@ -87,10 +88,10 @@ dependencies {
     // Test
     testImplementation("org.junit.jupiter:junit-jupiter-api:$jupiterVersion")
 
-    testImplementation("com.willowtreeapps.assertk:assertk-jvm:0.26.1")
+    testImplementation("com.willowtreeapps.assertk:assertk-jvm:$assertkVersion")
 
     testImplementation("no.nav.helse:dusseldorf-test-support:$dusseldorfKtorVersion")
-    testImplementation("io.mockk:mockk:1.13.5")
+    testImplementation("io.mockk:mockk:$mockkVersion")
     testImplementation("io.ktor:ktor-server-test-host-jvm:$ktorVersion") {
         exclude(group = "org.eclipse.jetty")
     }
@@ -116,13 +117,9 @@ repositories {
 
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
-}
-
-
-tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "17"
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
 }
 
 tasks.withType<ShadowJar> {
@@ -139,7 +136,7 @@ tasks.withType<ShadowJar> {
 }
 
 tasks.withType<Wrapper> {
-    gradleVersion = "8.3"
+    gradleVersion = "8.4"
 }
 
 tasks.withType<Test> {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ac72c34e8..3fa8f862f 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-8.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 0adc8e1a5..1aa94a426 100755
--- a/gradlew
+++ b/gradlew
@@ -145,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -153,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -202,11 +202,11 @@ 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
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \