diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index d833904a..d6f22a7f 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
-1.5.1pre1 [2016-05-24]
+1.5.1 [2016-06-11]
 ------------------
  - fixed verification for external messages
  - sign rules: updated default rules
diff --git a/install.rdf b/install.rdf
index d86f7b9a..937250a4 100644
--- a/install.rdf
+++ b/install.rdf
@@ -6,7 +6,7 @@
 	<Description about="urn:mozilla:install-manifest">
 		<em:id>dkim_verifier@pl</em:id>
 		<em:type>2</em:type> <!-- Extensions -->
-		<em:version>1.5.1pre1</em:version>
+		<em:version>1.5.1</em:version>
 
 		<em:name>DKIM Verifier</em:name>
 		<em:description>Verifies the DKIM-Signature of an e-mail.</em:description>