diff --git a/build.gradle.kts b/build.gradle.kts
index 30037401cf..73668ab68f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,6 @@ plugins {
 }
 
 version = "0.0.1"
-val ktorVersion: String by project
 
 subprojects {
     apply(plugin = "org.jetbrains.kotlin.jvm")
@@ -75,17 +74,17 @@ subprojects {
         implementation("com.github.navikt:vault-jdbc:1.3.10")
         implementation("org.postgresql:postgresql:42.7.0")
 
-        implementation("io.ktor:ktor-server-netty:$ktorVersion")
-        implementation("io.ktor:ktor-server-auth-jwt:$ktorVersion") {
+        implementation(rootProject.libs.ktor.server.netty)
+        implementation(rootProject.libs.ktor.server.auth.jwt) {
             exclude(group = "junit")
         }
-        implementation("io.ktor:ktor-server-metrics-micrometer:$ktorVersion")
-        implementation("io.ktor:ktor-serialization-jackson:$ktorVersion")
-        implementation("io.ktor:ktor-server-content-negotiation:$ktorVersion")
-        implementation("io.ktor:ktor-server-call-id:$ktorVersion")
-        implementation("io.ktor:ktor-server-call-logging:$ktorVersion")
-        implementation("io.ktor:ktor-server-forwarded-header:$ktorVersion")
-        implementation("io.ktor:ktor-server-status-pages:$ktorVersion")
+        implementation(rootProject.libs.ktor.server.metrics.micrometer)
+        implementation(rootProject.libs.ktor.serialization.jackson)
+        implementation(rootProject.libs.ktor.server.content.negotiation)
+        implementation(rootProject.libs.ktor.server.call.id)
+        implementation(rootProject.libs.ktor.server.call.logging)
+        implementation(rootProject.libs.ktor.server.forwarded.header)
+        implementation(rootProject.libs.ktor.server.status.pages)
 
         testRuntimeOnly(rootProject.libs.jupiter.engine)
 
@@ -108,7 +107,7 @@ subprojects {
         // Legger til manglende binaries for nye Mac's med M1 cpuer.
         testImplementation("io.zonky.test.postgres:embedded-postgres-binaries-darwin-arm64v8")
         testImplementation("org.xmlunit:xmlunit-matchers:2.9.1")
-        testImplementation("io.ktor:ktor-server-test-host:$ktorVersion") {
+        testImplementation(rootProject.libs.ktor.server.test.host) {
             exclude(group = "junit")
             exclude(group = "org.eclipse.jetty") // conflicts with WireMock
             exclude(group = "org.eclipse.jetty.http2") // conflicts with WireMock
diff --git a/gradle.properties b/gradle.properties
index c94fa5e6ef..b108979180 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,4 +2,3 @@ org.gradle.jvmargs=-Xmx4000m
 org.gradle.parallel=true
 org.gradle.caching=true
 org.gradle.daemon=true
-ktorVersion=2.3.5
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4af909159f..64fce221ba 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -7,6 +7,7 @@ kittinunf = "2.3.1"
 wiremock = "3.3.1"
 jupiter = "5.10.1"
 kotlin = "1.9.21"
+ktor = "2.3.6"
 
 [libraries]
 slf4j-api = { group = "org.slf4j", name = "slf4j-api", version.ref = "slf4j" }
@@ -23,5 +24,17 @@ kotlin-reflect = { group = "org.jetbrains.kotlin", name = "kotlin-reflect", vers
 kotlin-script-runtime = { group = "org.jetbrains.kotlin", name = "kotlin-script-runtime", version.ref = "kotlin" }
 kotlin-compiler-embeddable = { group = "org.jetbrains.kotlin", name = "kotlin-compiler-embeddable", version.ref = "kotlin" }
 
+ktor-server-test-host = { group = "io.ktor", name = "ktor-server-test-host", version.ref = "ktor" }
+ktor-server-netty = { group = "io.ktor", name = "ktor-server-netty", version.ref = "ktor" }
+ktor-server-auth-jwt = { group = "io.ktor", name = "ktor-server-auth-jwt", version.ref = "ktor" }
+ktor-server-metrics-micrometer = { group = "io.ktor", name = "ktor-server-metrics-micrometer", version.ref = "ktor" }
+ktor-server-content-negotiation = { group = "io.ktor", name = "ktor-server-content-negotiation", version.ref = "ktor" }
+ktor-server-call-id = { group = "io.ktor", name = "ktor-server-call-id", version.ref = "ktor" }
+ktor-server-call-logging = { group = "io.ktor", name = "ktor-server-call-logging", version.ref = "ktor" }
+ktor-server-forwarded-header = { group = "io.ktor", name = "ktor-server-forwarded-header", version.ref = "ktor" }
+ktor-server-status-pages = { group = "io.ktor", name = "ktor-server-status-pages", version.ref = "ktor" }
+ktor-serialization-jackson = { group = "io.ktor", name = "ktor-serialization-jackson", version.ref = "ktor" }
+ktor-client-java = { group = "io.ktor", name = "ktor-client-java", version.ref = "ktor" }
+
 [plugins]
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
diff --git a/test-common/build.gradle.kts b/test-common/build.gradle.kts
index a9acd2c55d..ea0eb82558 100644
--- a/test-common/build.gradle.kts
+++ b/test-common/build.gradle.kts
@@ -1,5 +1,4 @@
 // Contains shared test-data, functions and extension funcions to be used across modules
-val ktorVersion: String by project
 dependencies {
     val kotestVersion = "5.8.0"
 
diff --git a/web-regresjonstest/build.gradle.kts b/web-regresjonstest/build.gradle.kts
index 4c6b4f0b00..fa272b1307 100644
--- a/web-regresjonstest/build.gradle.kts
+++ b/web-regresjonstest/build.gradle.kts
@@ -1,6 +1,5 @@
 // Inneholder regresjonstester for web-laget (black-box asserting).
 // Separert til sin egen modul for å kunne bygges parallelt med de andre testene på byggserveren.
-val ktorVersion: String by project
 dependencies {
     implementation(project(":domain"))
     implementation(project(":database"))
@@ -31,8 +30,8 @@ dependencies {
 
     implementation(project(":person:domain"))
 
-    implementation("io.ktor:ktor-client-java:$ktorVersion")
-    implementation("io.ktor:ktor-server-test-host:$ktorVersion") {
+    implementation(rootProject.libs.ktor.client.java)
+    implementation(rootProject.libs.ktor.server.test.host) {
         exclude(group = "junit")
         exclude(group = "org.eclipse.jetty") // conflicts with WireMock
         exclude(group = "org.eclipse.jetty.http2") // conflicts with WireMock