diff --git a/src/MDConcLicenses.php b/src/MDConcLicenses.php
index 2c660b9..c0c79c4 100644
--- a/src/MDConcLicenses.php
+++ b/src/MDConcLicenses.php
@@ -78,7 +78,9 @@ final class MDConcLicenses implements MDImporterConcordanceListInterface {
         "CC BY NC SA" => "CC BY-NC-SA",
         "CC-BY-NC-SA" => "CC BY-NC-SA",
         "CC.BY-NC-SA" => "CC BY-NC-SA",
+        "CC BY-NC-SA 3.0" => "CC BY-NC-SA",
         "CC BY-NC-SA 3.0 AT" => "CC BY-NC-SA",
+        "CC BY-NC-SA 4.0" => "CC BY-NC-SA",
         "http://creativecommons.org/licenses/by-nc-sa/3.0/" => "CC BY-NC-SA",
         "http://creativecommons.org/licenses/by-nc-sa/4.0/deed.de" => "CC BY-NC-SA",
         "http://creativecommons.org/licenses/by-nc-sa/4.0/" => "CC BY-NC-SA",