diff --git a/build.gradle b/build.gradle
index f22521ed5..e5603cf68 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,21 +12,21 @@ repositories {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    implementation "ch.qos.logback:logback-classic:$logback_version"
+    implementation "org.slf4j:slf4j-api:$slf4j_version"
     implementation "io.ktor:ktor-server-core:$ktor_version"
     implementation "io.ktor:ktor-server-host-common:$ktor_version"
     implementation "io.ktor:ktor-metrics:$ktor_version"
     implementation "io.ktor:ktor-server-sessions:$ktor_version"
-    
+
     implementation "io.ktor:ktor-jackson:$ktor_version" // needed for parameter parsing and multipart parsing
     implementation "com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.9.8" // needed for multipart parsing
     implementation 'org.webjars:swagger-ui:3.25.0'
- 
+
     implementation "org.reflections:reflections:0.9.11" // only used while initializing
-    
+
     testImplementation "io.ktor:ktor-server-netty:$ktor_version"
     testImplementation "io.ktor:ktor-server-test-host:$ktor_version"
-    
+    testImplementation "ch.qos.logback:logback-classic:$logback_version"
 }
 
 compileKotlin {
diff --git a/gradle.properties b/gradle.properties
index 0f9454b8a..1c1f783bf 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,5 @@
 kotlin.code.style=official
 ktor_version=1.3.2
 logback_version=1.2.1
+slf4j_version=1.7.30
 kotlin_version=1.3.70