diff --git a/CHANGELOG.md b/CHANGELOG.md
index b18102fa..91fbbd4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.6.0](https://www.github.com/dwmkerr/effective-shell/compare/v0.5.2...v0.6.0) (2021-05-22)
+
+
+### Features
+
+* update playground with sample scripts for part 4 ([3bfde4d](https://www.github.com/dwmkerr/effective-shell/commit/3bfde4d7efe5b1ca08dd55d52bf294e65e7d2709))
+
 ### [0.5.2](https://www.github.com/dwmkerr/effective-shell/compare/v0.5.1...v0.5.2) (2021-05-21)
 
 
diff --git a/version.txt b/version.txt
index cb0c939a..a918a2aa 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.5.2
+0.6.0