diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20ddca6b..ee4d2d61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.18.0](https://www.github.com/dwmkerr/effective-shell/compare/v0.17.2...v0.18.0) (2021-10-19)
+
+
+### Features
+
+* chapter 29 - understanding shell expansion ([70b3068](https://www.github.com/dwmkerr/effective-shell/commit/70b30681a0422f6ac6063c8cf60f1c6b924dce3b))
+
 ### [0.17.2](https://www.github.com/dwmkerr/effective-shell/compare/v0.17.1...v0.17.2) (2021-09-06)
 
 
diff --git a/version.txt b/version.txt
index c3d16c16..66333910 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.17.2
+0.18.0