diff --git a/CHANGELOG.md b/CHANGELOG.md
index b601c75e..abeefe6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## [1.8.1](https://github.com/amejiarosario/dsa.js/compare/1.8.0...1.8.1) (2020-05-24)
+
+
+### Bug Fixes
+
+* **book/maps:** update time/space complexity values ([3c4ef75](https://github.com/amejiarosario/dsa.js/commit/3c4ef7555c400828fb89339184294feb7169b215))
+
 # [1.8.0](https://github.com/amejiarosario/dsa.js/compare/1.7.1...1.8.0) (2020-05-23)
 
 
diff --git a/package-lock.json b/package-lock.json
index 1ad35ece..5562ab05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "dsa.js",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 4295ba82..21ca8a75 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "dsa.js",
-  "version": "1.8.0",
+  "version": "1.8.1",
   "description": "Data Structures & Algorithms in JS",
   "author": "Adrian Mejia <hi+dsajs@adrianmejia.com> (https://adrianmejia.com)",
   "homepage": "https://github.com/amejiarosario/dsa.js",