diff --git a/extra/simplesamlphp.spec b/extra/simplesamlphp.spec
index 7118153f626039f4247ba376e7edfda1d2ce24c3..9cbcfe2a622f1f453efbc09948b0dcff3c8a4d8e 100644
--- a/extra/simplesamlphp.spec
+++ b/extra/simplesamlphp.spec
@@ -1,6 +1,6 @@
 %define name      simplesamlphp
 %define summary   SAML IDP/SP written in PHP
-%define version   dev
+%define version   1.15.0-rc1
 %define release   1
 %define license   LGPL 2.1
 %define group     Networking/WWW
diff --git a/lib/SimpleSAML/Configuration.php b/lib/SimpleSAML/Configuration.php
index e2a9fdbc1cf29657dba19a436c2a26c361d543f4..ead6422a860a7d50fc00c237468277c56eb1bae6 100644
--- a/lib/SimpleSAML/Configuration.php
+++ b/lib/SimpleSAML/Configuration.php
@@ -386,7 +386,7 @@ class SimpleSAML_Configuration implements \SimpleSAML\Utils\ClearableState
      */
     public function getVersion()
     {
-        return 'master';
+        return '1.15.0-rc1';
     }