diff --git a/Dockerfile b/Dockerfile
index 2144cee..0377e6c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM eclipse-temurin:17-jdk-focal
+FROM eclipse-temurin:17-jdk
 WORKDIR /app
 
 COPY ./build/libs/* ./nextcloud-dlna.jar
diff --git a/build.gradle b/build.gradle
index 89029fc..c985f2e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -46,9 +46,10 @@ dependencies {
     implementation 'org.jupnp:org.jupnp:2.7.1'
     implementation 'org.jupnp:org.jupnp.support:2.7.1'
     implementation 'org.apache.httpcomponents:httpclient:4.5.14'
+    // to avoid snakeyaml-1.3 vulnerability CVE-2022-1471
+    implementation 'org.yaml:snakeyaml:2.2'
 
     testImplementation 'org.apache.groovy:groovy:4.0.15'
-
     testImplementation('org.spockframework:spock-core:2.4-M1-groovy-4.0')
     testImplementation('org.spockframework:spock-spring:2.4-M1-groovy-4.0')
     testImplementation('org.springframework.boot:spring-boot-starter-test') {