diff --git a/CHANGELOG.md b/CHANGELOG.md
index a00c47a..76f289c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.6.0 (2017-09-14)
+
+- X509 in SecurityTokenReference node (#17, @tiagocasanovapt)
+
 ## 1.5.1 (2017-03-23)
 
 - Allow to set up custom xmldsig namespace prefix for Signature node (#14, @Envek)
diff --git a/lib/signer/version.rb b/lib/signer/version.rb
index 4c5e0a4..74e4aab 100644
--- a/lib/signer/version.rb
+++ b/lib/signer/version.rb
@@ -1,3 +1,3 @@
 class Signer
-  VERSION = '1.5.1'
+  VERSION = '1.6.0'
 end