diff --git a/History.md b/History.md
index 9ff0d386..95874e62 100644
--- a/History.md
+++ b/History.md
@@ -3,6 +3,7 @@
 
 - Import of ZF1 invoices (thanks to Stefan Schmaltz https://github.com/ZUGFeRD/mustangproject/pull/292) 
 - works again in Java 1.8 (#286)
+- updated Jackson https://github.com/ZUGFeRD/mustangproject/pull/293
 
 2.5.6
 =======
diff --git a/Mustang-CLI/pom.xml b/Mustang-CLI/pom.xml
index 6fdcf8c9..1f5bff1a 100644
--- a/Mustang-CLI/pom.xml
+++ b/Mustang-CLI/pom.xml
@@ -102,7 +102,7 @@
                <toolchains>
                   <jdk>
                      <version>1.8</version>
-                     <vendor>sun</vendor>
+                     <vendor>openjdk</vendor>
                   </jdk>
                </toolchains>
             </configuration>
diff --git a/library/pom.xml b/library/pom.xml
index 8b7b1706..38788748 100644
--- a/library/pom.xml
+++ b/library/pom.xml
@@ -157,7 +157,7 @@
 					<toolchains>
 						<jdk>
 							<version>1.8</version>
-							<vendor>sun</vendor>
+							<vendor>openjdk</vendor>
 						</jdk>
 					</toolchains>
 				</configuration>
diff --git a/validator/pom.xml b/validator/pom.xml
index bab6f01f..0dbaa9eb 100644
--- a/validator/pom.xml
+++ b/validator/pom.xml
@@ -157,7 +157,7 @@
                     <toolchains>
                         <jdk>
                             <version>1.8</version>
-                            <vendor>sun</vendor>
+                            <vendor>openjdk</vendor>
                         </jdk>
                     </toolchains>
                 </configuration>