diff --git a/doc/org.eclipse.ocl.doc/doc/0000-introduction.textile b/doc/org.eclipse.ocl.doc/doc/0000-introduction.textile
index ba5ad62..33659f5 100644
--- a/doc/org.eclipse.ocl.doc/doc/0000-introduction.textile
+++ b/doc/org.eclipse.ocl.doc/doc/0000-introduction.textile
@@ -2,7 +2,7 @@
 
 For a quick demonstration of OCL enrichment of an Ecore meta-model with computed constraints go to "Getting Started":#GettingStarted.
 
-A PDF version of this documentation is available at "OCL 2020-06 (6.12.0) Documentation":http://download.eclipse.org/ocl/doc/6.12.0/ocl.pdf.
+A PDF version of this documentation is available at "OCL 2021-03 (6.15.0) Documentation":http://download.eclipse.org/ocl/doc/6.15.0/ocl.pdf.
 
 h2. What is OCL?
 
diff --git a/doc/org.eclipse.ocl.doc/styles/xmpp.xsl b/doc/org.eclipse.ocl.doc/styles/xmpp.xsl
index 2c66cf7..6f43bc5 100644
--- a/doc/org.eclipse.ocl.doc/styles/xmpp.xsl
+++ b/doc/org.eclipse.ocl.doc/styles/xmpp.xsl
@@ -39,7 +39,7 @@
                       <xsl:text>Eclipse OCL </xsl:text><xsl:value-of select="//releaseinfo"/>
               </xsl:when>
               <xsl:otherwise>
-                  Eclipse OCL 2020-06 (6.12.0)
+                  Eclipse OCL 2021-03 (6.15.0)
               </xsl:otherwise>
           </xsl:choose>
       </xsl:variable>