diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39d8779..bf61808 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,26 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 To see tags and releases, please go to [Tags](https://github.com/AlexJSully/Publication-Figures-Web-Scraping/tags) on [GitHub](https://github.com/AlexJSully/Publication-Figures-Web-Scraping).
 
+## [2.1.1] - 2024-08-08
+
+Optimization:
+
+-   Added Jest unit testing
+
+Documentation:
+
+-   Removed unnecessary Deepsource and Codeclimate badges
+
+Update:
+
+-   Sentry now tracks console errors
+-   Update packages, including Prettier & ESLint
+-   Updated GitHub Actions to use Node 20
+
+Bug fix:
+
+-   Fixed getting PMC IDs would always return 0 ID strings for each species
+
 ## [2.1.0] - 2022-11-02
 
 Functional release tag
diff --git a/README.md b/README.md
index 12aa210..70f02db 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This tool provides a method for scraping through NCBI's [PMC](https://www.ncbi.n
 
 ## Requirements
 
--   Node.js >= 16.13.1
+-   Node.js >= 20
 -   RAM >= 4GB
 -   Internet connection with greater than 7mb/s download speed
 
diff --git a/package-lock.json b/package-lock.json
index f7ba4c9..78096c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "publication-figure-web-scraping",
-	"version": "2.1.0",
+	"version": "2.1.1",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "publication-figure-web-scraping",
-			"version": "2.1.0",
+			"version": "2.1.1",
 			"license": "GNU General Public License v2.0",
 			"dependencies": {
 				"@sentry/integrations": "^7.114.0",
diff --git a/package.json b/package.json
index 1fbad7d..0ca7204 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
 			"url": "https://alexjsully.me/"
 		}
 	],
-	"version": "2.1.0",
+	"version": "2.1.1",
 	"private": true,
 	"description": "This tool provides a method for scraping through NCBI's PubMed publications and retrieving (downloading) the figures from open access and publicly available publications.",
 	"main": "index.js",