diff --git a/src/transform/apply-gen.xsl b/src/transform/apply-gen.xsl
index 7cef4d0..a4c19df 100644
--- a/src/transform/apply-gen.xsl
+++ b/src/transform/apply-gen.xsl
@@ -45,7 +45,7 @@
 <template match="/xsl:stylesheet|/xsl:transform"
           priority="5">
   <document>
-    <out:stylesheet>
+    <out:stylesheet version="2.0">
       <xsl:apply-templates mode="fgen:create" />
     </out:stylesheet>
   </document>
diff --git a/test/transform/apply-gen.xspec b/test/transform/apply-gen.xspec
index efc8c77..e253a02 100644
--- a/test/transform/apply-gen.xspec
+++ b/test/transform/apply-gen.xspec
@@ -66,12 +66,12 @@
 
       <expect label="produces an empty stylesheet"
               context="xsl:stylesheet">
-        <xsl:stylesheet />
+        <xsl:stylesheet version="2.0" />
       </expect>
     </scenario>
   </scenario>
 
-  
+
   <!-- xsl:transform is an alternative to xsl:stylesheet -->
   <scenario label="given a xsl:template root note">
     <context>
@@ -80,7 +80,7 @@
 
     <expect label="properly outputs stylesheet"
             context="xsl:stylesheet">
-      <xsl:stylesheet />
+      <xsl:stylesheet version="2.0" />
     </expect>
   </scenario>
 </description>