diff --git a/src/META-INF/MANIFEST.MF b/src/META-INF/MANIFEST.MF
index 6584a90..a94558c 100644
--- a/src/META-INF/MANIFEST.MF
+++ b/src/META-INF/MANIFEST.MF
@@ -4,9 +4,9 @@ Specification-Title: SIARD API
 Specification-Version: 2.1
 Specification-Vendor: Swiss Federal Archives, Berne, Switzerland
 Implementation-Title: SIARD API
-Implementation-Version: 2.2.90
+Implementation-Version: 2.2.91
 Implementation-Vendor: Swiss Federal Archives, Berne, Switzerland
-Built-Date: 19. Jun 2019
+Built-Date: 27. Jun 2019
 Class-Path: zip64.jar
   activation-1.1.1.jar
   jaxb-api.jar