diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26357da..2eb29ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.5.1 - June 3rd 2018
+
+Relaxed PG gem requirement for allowing version 1 to be used.
+
 # 0.5.0 - May 31st 2018
 
 Released non-marked beta version.