diff --git a/debian/changelog b/debian/changelog
index 5e52ee78b4..16b88fed2c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-ecl (2017.09-test1-1~xenial) xenial; urgency=low
+ecl (2018.04-rc1-1~xenial) xenial; urgency=low
 
   * New release
 
diff --git a/redhat/ecl.spec b/redhat/ecl.spec
index 47b7a85513..bafce27e40 100644
--- a/redhat/ecl.spec
+++ b/redhat/ecl.spec
@@ -5,7 +5,7 @@
 %define tag rc1
 
 Name:           ecl
-Version:        2017.10
+Version:        2018.04
 Release:        0
 Summary:        ECL library
 License:        GPL-3+