diff --git a/backend/build.gradle.kts b/backend/build.gradle.kts
index b1e95cf..d80f605 100644
--- a/backend/build.gradle.kts
+++ b/backend/build.gradle.kts
@@ -23,6 +23,7 @@ dependencies {
     implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
     implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    implementation("javax.activation:activation:1.1.1")
     api("no.vegvesen.nvdb:nvdb-read-api-v3-client:1.10.0")
     developmentOnly("org.springframework.boot:spring-boot-devtools")
     testImplementation("org.springframework.boot:spring-boot-starter-test") {