diff --git a/src/main/scala/sharedDefs.scala b/src/main/scala/sharedDefs.scala
index 3ad6121..95d2387 100644
--- a/src/main/scala/sharedDefs.scala
+++ b/src/main/scala/sharedDefs.scala
@@ -1,7 +1,7 @@
 /**
   * diff-SAT
   *
-  * Copyright (c) 2018,2020 Matthias Nickles
+  * Copyright (c) 2018,2021 Matthias Nickles
   *
   * matthiasDOTnicklesATgmxDOTnet
   *