diff --git a/snapshotmfo.cls b/snapshotmfo.cls
index 684061d..3264d8e 100755
--- a/snapshotmfo.cls
+++ b/snapshotmfo.cls
@@ -378,15 +378,15 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % license info
-% use \license{CC-BY-NC-SA-3.0} (default), \license{CC-BY-NC-ND-3.0} or \licence{CC-BY-SA-3.0}
-\csdef{snapshot@license@CC-BY-NC-SA-3.0}{\href{http://creativecommons.org/licenses/by-nc-sa/3.0/}{Creative Commons BY-NC-SA 3.0}}
-\csdef{snapshot@license@CC-BY-NC-ND-3.0}{\href{http://creativecommons.org/licenses/by-nc-nd/3.0/}{Creative Commons BY-NC-ND 3.0}}
-\csdef{snapshot@license@CC-BY-SA-3.0}{\href{http://creativecommons.org/licenses/by-sa/3.0/}{Creative Commons BY-SA 3.0}}
+% use \license{CC-BY-SA-4.0} (default), \license{CC-BY-ND-4.0} or \licence{CC-BY-NC-SA-4.0}
+\csdef{snapshot@license@CC-BY-SA-4.0}{\href{http://creativecommons.org/licenses/by-sa/4.0/}{Creative Commons BY-SA 4.0}}
+\csdef{snapshot@license@CC-BY-ND-4.0}{\href{http://creativecommons.org/licenses/by-nd/4.0/}{Creative Commons BY-ND 4.0}}
+\csdef{snapshot@license@CC-BY-NC-SA-4.0}{\href{http://creativecommons.org/licenses/by-nc-sa/4.0/}{Creative Commons BY-NC-SA 4.0}}
 \newcommand{\snapshot@license}{\ClassWarningNoLine{snapshotmfo}{No license information given}\snapshot@defaultcontent}
 \newcommand{\license}[1]{%
 	\expandafter\ifcsdef\expandafter{snapshot@license@#1}{%
 		\renewcommand{\snapshot@license}{\csname snapshot@license@#1\endcsname}%
-	}{\ClassError{snapshotmfo}{Unknown license name}{Please use one of CC-BY-NC-SA-3.0, CC-BY-NC-ND-3.0 or CC-BY-SA-3.0}}%	
+	}{\ClassError{snapshotmfo}{Unknown license name}{Please use one of CC-BY-SA-4.0, CC-BY-ND-4.0 or CC-BY-NC-SA-4.0}}%	
 }
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
diff --git a/template.tex b/template.tex
index a05753e..558599c 100755
--- a/template.tex
+++ b/template.tex
@@ -27,9 +27,9 @@
 %%%%%%%%%%%%%%%% WILL BE FILLED OUT BY EDITORS ACCORDING TO YOUR SPECIFICATIONS %%%%%%%%%%%%%%%%%%%%%%%%%%
 %\categorizationmath{algebra and number theory,analysis,discrete mathematics and foundations,geometry and topology,numerics and scientific computing,probability theory and statistics} %at least one must be chosen. 
 %\categorizationconnect{chemistry and earth science,computer science,engineering and technology,finance,humanities and social sciences,life science,physics,reflections on mathematics} %can be void.
-%\license{CC-BY-NC-SA-3.0} %recommended
-%\license{CC-BY-NC-ND-3.0}
-%\license{CC-BY-SA-3.0}
+%\license{CC-BY-SA-4.0} %recommended
+%\license{CC-BY-ND-4.0}
+%\license{CC-BY-NC-SA-4.0} 
 %\snapshotid{id}{year}
 %\translator{german}{Trans Lator}
 \junioreditor{will be filled out by editors}{junior-editors@mfo.de}