--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixAnalysisCalculation.java	Fri Feb 25 17:17:56 2022 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixAnalysisCalculation.java	Wed Mar 02 10:26:50 2022 +0100
@@ -40,12 +40,13 @@
 
 import org.apache.commons.math.stat.descriptive.moment.StandardDeviation;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 
 public class FixAnalysisCalculation
 extends      FixCalculation
 {
-    private static Logger log = Logger.getLogger(FixAnalysisCalculation.class);
+    private static Logger log = LogManager.getLogger(FixAnalysisCalculation.class);
 
     protected DateRange    referencePeriod;
     protected DateRange [] analysisPeriods;