diff --git a/benchmark/pom.xml b/benchmark/pom.xml
index 43ee7d820b2..f8104490737 100644
--- a/benchmark/pom.xml
+++ b/benchmark/pom.xml
@@ -41,8 +41,12 @@
16.0-SNAPSHOT
- junit
- junit
+ org.junit.jupiter
+ junit-jupiter-engine
+
+
+ org.junit.jupiter
+ junit-jupiter
diff --git a/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/utils/GeoJsonPolygonFeatureWriter.java b/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/utils/GeoJsonPolygonFeatureWriter.java
index c022be98067..f0e3dc08db3 100644
--- a/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/utils/GeoJsonPolygonFeatureWriter.java
+++ b/contribs/accessibility/src/main/java/org/matsim/contrib/accessibility/utils/GeoJsonPolygonFeatureWriter.java
@@ -1,6 +1,6 @@
package org.matsim.contrib.accessibility.utils;
-import org.json.simple.JSONValue;
+import com.google.gson.Gson;
import org.matsim.api.core.v01.Coord;
import java.util.*;
@@ -34,7 +34,7 @@ public String asGeoJson() {
featureCollectionMap.put("features", featuresList);
featureCollectionMap.put("crs", parseCRS());
featureCollectionMap.put("bbox", boundingBox.getBoundingBox());
- return JSONValue.toJSONString(featureCollectionMap);
+ return new Gson().toJson(featureCollectionMap);
}
private List