diff --git a/fints4k/build.gradle b/fints4k/build.gradle
index 5e225a86..aac648fa 100644
--- a/fints4k/build.gradle
+++ b/fints4k/build.gradle
@@ -88,7 +88,8 @@ kotlin {
 
         commonTest {
             dependencies {
-                implementation kotlin("test")
+                implementation kotlin("test-common")
+                implementation kotlin("test-annotations-common")
             }
         }
 
@@ -120,6 +121,15 @@ kotlin {
 
         }
 
+        jvmTest.dependencies {
+            implementation kotlin("test-junit")
+
+            implementation "org.junit.jupiter:junit-jupiter:$junit5Version"
+            runtimeOnly "org.junit.jupiter:junit-jupiter-engine:$junit5Version"
+
+            implementation "org.slf4j:slf4j-simple:$slf4jVersion"
+        }
+
 
         jsMain {
             dependencies {
@@ -127,6 +137,10 @@ kotlin {
             }
         }
 
+        jsTest.dependencies {
+            implementation kotlin("test-js")
+        }
+
 
         iosMain {
             dependencies {