diff --git a/History.md b/History.md
index 187a5965..49b10f0a 100644
--- a/History.md
+++ b/History.md
@@ -3,6 +3,7 @@
 2022-01-13
 
 - issue #255 support order-x
+- switched xrechnung signature to 2.1(.1) as required as of February 
 - xr now checks en16931 profile not extended
 - Validation errors now contain the filename of the failed xslt~schematron
 - PR 257 issue #227 shaded/lightweight jars (thanks a lot to quadrik!)
diff --git a/library/src/main/java/org/mustangproject/ZUGFeRD/Profiles.java b/library/src/main/java/org/mustangproject/ZUGFeRD/Profiles.java
index 721500b3..46a185d8 100644
--- a/library/src/main/java/org/mustangproject/ZUGFeRD/Profiles.java
+++ b/library/src/main/java/org/mustangproject/ZUGFeRD/Profiles.java
@@ -33,7 +33,7 @@ public class Profiles {
 			{"BASIC", new Profile("BASIC", "urn:cen.eu:en16931:2017#compliant#urn:factur-x.eu:1p0:basic")},
 			{"EN16931", new Profile("EN16931", "urn:cen.eu:en16931:2017")},
 			{"EXTENDED", new Profile("EXTENDED", "urn:cen.eu:en16931:2017#conformant#urn:factur-x.eu:1p0:extended")},
-			{"XRECHNUNG", new Profile("XRECHNUNG", "urn:cen.eu:en16931:2017#compliant#urn:xoev-de:kosit:standard:xrechnung_2.0")} //switched to XRechnung 2.0 in 2021
+			{"XRECHNUNG", new Profile("XRECHNUNG", "urn:cen.eu:en16931:2017#compliant#urn:xoev-de:kosit:standard:xrechnung_2.1")} 
 
 	}).collect(Collectors.toMap(data -> (String) data[0], data -> (Profile) data[1]));
 	static Map<String, Profile> zf1Map = Stream.of(new Object[][]{