diff --git a/jenkins_jobs/modules/builders.py b/jenkins_jobs/modules/builders.py
index 2585c81d5..1d51ebb51 100644
--- a/jenkins_jobs/modules/builders.py
+++ b/jenkins_jobs/modules/builders.py
@@ -189,19 +189,27 @@ def change_assembly_version(registry, xml_parent, data):
     :arg str version: Set the new version number for replace (default 1.0.0)
     :arg str assemblyFile: The file name to search (default AssemblyInfo.cs)
 
-    Example:
+    Minimal Example:
 
     .. literalinclude::
-        /../../tests/builders/fixtures/changeassemblyversion001.yaml
+        /../../tests/builders/fixtures/changeassemblyversion-minimal.yaml
+       :language: yaml
+
+    Full Example:
+
+    .. literalinclude::
+        /../../tests/builders/fixtures/changeassemblyversion-full.yaml
        :language: yaml
     """
 
     cav_builder_tag = ('org.jenkinsci.plugins.changeassemblyversion.'
                        'ChangeAssemblyVersion')
     cav = XML.SubElement(xml_parent, cav_builder_tag)
-    XML.SubElement(cav, 'task').text = data.get('version', '1.0.0')
-    XML.SubElement(cav, 'assemblyFile').text = str(
-        data.get('assembly-file', 'AssemblyInfo.cs'))
+    mappings = [
+        ('version', 'task', '1.0.0'),
+        ('assembly-file', 'assemblyFile', 'AssemblyInfo.cs'),
+    ]
+    convert_mapping_to_xml(cav, data, mappings, fail_required=True)
 
 
 def fingerprint(registry, xml_parent, data):
diff --git a/tests/builders/fixtures/changeassemblyversion001.xml b/tests/builders/fixtures/changeassemblyversion-full.xml
similarity index 100%
rename from tests/builders/fixtures/changeassemblyversion001.xml
rename to tests/builders/fixtures/changeassemblyversion-full.xml
diff --git a/tests/builders/fixtures/changeassemblyversion001.yaml b/tests/builders/fixtures/changeassemblyversion-full.yaml
similarity index 100%
rename from tests/builders/fixtures/changeassemblyversion001.yaml
rename to tests/builders/fixtures/changeassemblyversion-full.yaml
diff --git a/tests/builders/fixtures/changeassemblyversion002.xml b/tests/builders/fixtures/changeassemblyversion-minimal.xml
similarity index 91%
rename from tests/builders/fixtures/changeassemblyversion002.xml
rename to tests/builders/fixtures/changeassemblyversion-minimal.xml
index 75b79afa1..51d34894f 100644
--- a/tests/builders/fixtures/changeassemblyversion002.xml
+++ b/tests/builders/fixtures/changeassemblyversion-minimal.xml
@@ -2,7 +2,7 @@
 <project>
   <builders>
     <org.jenkinsci.plugins.changeassemblyversion.ChangeAssemblyVersion>
-      <task>9.9.9</task>
+      <task>1.0.0</task>
       <assemblyFile>AssemblyInfo.cs</assemblyFile>
     </org.jenkinsci.plugins.changeassemblyversion.ChangeAssemblyVersion>
   </builders>
diff --git a/tests/builders/fixtures/changeassemblyversion-minimal.yaml b/tests/builders/fixtures/changeassemblyversion-minimal.yaml
new file mode 100644
index 000000000..0b1291989
--- /dev/null
+++ b/tests/builders/fixtures/changeassemblyversion-minimal.yaml
@@ -0,0 +1,2 @@
+builders:
+  - change-assembly-version
diff --git a/tests/builders/fixtures/changeassemblyversion002.yaml b/tests/builders/fixtures/changeassemblyversion002.yaml
deleted file mode 100644
index 3a7d1afa9..000000000
--- a/tests/builders/fixtures/changeassemblyversion002.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-builders:
-  - change-assembly-version:
-        version: "9.9.9"