diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a87a7c5..a730b83 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,7 +31,7 @@ cache:
 assemble:
   stage: build
   script:
-  - ./gradlew assemble --stacktrace
+  - ./gradlew assemble
   artifacts:
     paths:
     - build/
@@ -40,7 +40,7 @@ assemble with java 11:
   stage: build
   image: registry.gitlab.com/josm/docker-library/openjdk-11-josmplugin:latest
   script:
-    - ./gradlew assemble --stacktrace
+    - ./gradlew assemble
   artifacts:
     paths:
       - build/
@@ -49,7 +49,7 @@ assemble with java 12:
   stage: build
   image: registry.gitlab.com/josm/docker-library/openjdk-12-josmplugin:latest
   script:
-    - ./gradlew assemble --stacktrace
+    - ./gradlew assemble
   artifacts:
     paths:
       - build/
@@ -59,12 +59,23 @@ assemble with java 13:
   stage: build
   image: registry.gitlab.com/josm/docker-library/openjdk-13-josmplugin:latest
   script:
-    - ./gradlew assemble --stacktrace
+    - ./gradlew assemble
   artifacts:
     paths:
       - build/
   allow_failure: true
 
+assemble with java 14:
+  stage: build
+  image: registry.gitlab.com/josm/docker-library/openjdk-14-josmplugin:latest
+  script:
+    - ./gradlew assemble
+  artifacts:
+    paths:
+      - build/
+  allow_failure: true
+
+
 ##############
 # Test stage #
 ##############
@@ -72,7 +83,7 @@ assemble with java 13:
 build:
   stage: test
   script:
-  - ./gradlew build generatePot generateSnapshotUpdateSite --info
+  - ./gradlew build generatePot generateSnapshotUpdateSite #--info
   artifacts:
     paths:
     - build
@@ -82,8 +93,9 @@ build:
 test:
   stage: test
   script:
-  - ./gradlew check --stacktrace --continue --info
+  - ./gradlew check --stacktrace --continue #--info
   - ./gradlew jacocoTestReport
+  - ./gradlew jacocoTestCoverageVerification
   artifacts:
     paths:
     - build
@@ -112,7 +124,7 @@ build with java 11:
   stage: test
   image: registry.gitlab.com/josm/docker-library/openjdk-11-josmplugin:latest
   script:
-    - ./gradlew build --stacktrace
+    - ./gradlew build
   dependencies:
     - assemble with java 11
   allow_failure: true # due to copy-paste-detection
@@ -121,7 +133,7 @@ build with java 12:
   stage: test
   image: registry.gitlab.com/josm/docker-library/openjdk-12-josmplugin:latest
   script:
-    - ./gradlew build --stacktrace
+    - ./gradlew build
   dependencies:
     - assemble with java 12
   allow_failure: true
@@ -130,11 +142,20 @@ build with java 13:
   stage: test
   image: registry.gitlab.com/josm/docker-library/openjdk-13-josmplugin:latest
   script:
-    - ./gradlew build --stacktrace
+    - ./gradlew build
   dependencies:
     - assemble with java 13
   allow_failure: true
 
+build with java 14:
+  stage: test
+  image: registry.gitlab.com/josm/docker-library/openjdk-14-josmplugin:latest
+  script:
+    - ./gradlew build
+  dependencies:
+    - assemble with java 14
+  allow_failure: true
+
 ################
 # Deploy stage #
 ################
diff --git a/build.gradle b/build.gradle
index 32753c2..a99e9ca 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ plugins {
   id "pmd"
   id "com.github.ben-manes.versions" version "0.27.0"
   id "com.github.spotbugs" version "2.0.1"
-  id "org.openstreetmap.josm" version "0.6.4"
+  id "org.openstreetmap.josm" version "0.6.5"
   id "net.ltgt.errorprone" version "1.1.1"
   //id 'de.aaschmid.cpd' version '2.0'
 }
@@ -91,7 +91,7 @@ test {
   useJUnitPlatform()
   testLogging {
     exceptionFormat "full"
-    events "passed", "skipped", "failed"
+    events "skipped", "failed"
     info {
       showStandardStreams true
     }