diff --git a/tools/apidoc/generateadmincommands.xsl b/tools/apidoc/generateadmincommands.xsl
index bb5dc51774d..3e9c6c598fa 100644
--- a/tools/apidoc/generateadmincommands.xsl
+++ b/tools/apidoc/generateadmincommands.xsl
@@ -57,7 +57,7 @@ version="1.0">
 				<xsl:for-each select="command/command">
                            		<!-- Modify this line for the release version -->
                            		<span>
-									Apache CloudStack v4.0.0 Root Admin API Reference
+									Apache CloudStack v4.2.0 Root Admin API Reference
 								</span>
 								<p></p>
                                 <h1><xsl:value-of select="name"/></h1>
diff --git a/tools/apidoc/generatedomainadmincommands.xsl b/tools/apidoc/generatedomainadmincommands.xsl
index de67a056f86..7f5321cc06e 100644
--- a/tools/apidoc/generatedomainadmincommands.xsl
+++ b/tools/apidoc/generatedomainadmincommands.xsl
@@ -60,7 +60,7 @@ version="1.0">
 				<xsl:for-each select="command/command">
                            		<!-- Modify this line for the release version -->
                            		<span>
-									Apache CloudStack v4.0.0 Domain Admin API Reference
+									Apache CloudStack v4.2.0 Domain Admin API Reference
 								</span>
 								<p></p>
                                 <h1><xsl:value-of select="name"/></h1>
diff --git a/tools/apidoc/generatetoc_header.xsl b/tools/apidoc/generatetoc_header.xsl
index ffb8c2973c1..972cf9c4fff 100644
--- a/tools/apidoc/generatetoc_header.xsl
+++ b/tools/apidoc/generatetoc_header.xsl
@@ -52,7 +52,7 @@ version="1.0">
                 <div class="inside_apileftpanel">
                 	<div class="inside_contentpanel" style="width:930px;">
               		  	<!-- Modify this line for the release version -->
-                    	<h1>Apache CloudStack API Documentation (v4.0.0)</h1>
+                    	<h1>Apache CloudStack API Documentation (v4.2.0)</h1>
                         <div class="apiannouncement_box">
                         	<div class="apiannouncement_contentarea">
                                 <h3>Using the CloudStack API</h3>
diff --git a/tools/apidoc/generateusercommands.xsl b/tools/apidoc/generateusercommands.xsl
index fe8ac91d890..e884ab13ac3 100644
--- a/tools/apidoc/generateusercommands.xsl
+++ b/tools/apidoc/generateusercommands.xsl
@@ -57,7 +57,7 @@ version="1.0">
 				<xsl:for-each select="command/command">
                            		<!-- Modify this line for the release version -->
                            		<span>
-									Apache CloudStack v4.0.0 User API Reference
+									Apache CloudStack v4.2.0 User API Reference
 								</span>
 								<p></p>
                                 <h1><xsl:value-of select="name"/></h1>