diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9615e72..e52c758 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+# [1.20.0](https://github.com/manthanank/learn-rxjs/compare/v1.19.0...v1.20.0) (2023-07-09)
+
+
+### Features
+
+* updated readme ([64042f8](https://github.com/manthanank/learn-rxjs/commit/64042f8a58c861dd6f6670d3ff118e831e878683))
+
+
+
 # [1.19.0](https://github.com/manthanank/learn-rxjs/compare/v1.18.0...v1.19.0) (2023-07-08)
 
 
@@ -34,12 +43,3 @@
 
 
 
-# [1.15.0](https://github.com/manthanank/learn-rxjs/compare/v1.14.0...v1.15.0) (2023-07-02)
-
-
-### Features
-
-* updated readme ([5816e50](https://github.com/manthanank/learn-rxjs/commit/5816e505f2050df7cbddd26dd7d0895372f8ee19))
-
-
-
diff --git a/package-lock.json b/package-lock.json
index 07b524b..dac01ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "learn-rxjs",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 1d2395c..2f9bd90 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "learn-rxjs",
-  "version": "1.19.0",
+  "version": "1.20.0",
   "description": "Complete RxJS with all resources to learn.",
   "main": "index.js",
   "scripts": {