diff --git a/README.md b/README.md
index 76b8d07..5a9c008 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Endurance Page Cache adds basic file-based caching to WordPress, as well as more
 
 ## Tagging a new release
 
-- Bump the version number in the header of the `endurance-page-cache.php` file.
+- Bump the version number in the header of the `endurance-page-cache.php` file (also the `EPC_VERSION`) and in `package.json`.
 - Push all changes to `master`.
 - Merge all changes to `production`.
 - Create a release on GitHub for the new version.
diff --git a/endurance-page-cache.php b/endurance-page-cache.php
index 0d1110d..6a677ff 100644
--- a/endurance-page-cache.php
+++ b/endurance-page-cache.php
@@ -27,7 +27,7 @@
 	die;
 }
 
-define( 'EPC_VERSION', '2.1.0' );
+define( 'EPC_VERSION', '2.1.1' );
 
 if ( ! class_exists( 'Endurance_Page_Cache' ) ) {
 
diff --git a/package.json b/package.json
index f6d217d..b98ef1c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "endurance-page-cache",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "This cache plugin is primarily for cache purging of the additional layers of cache that may be available on your hosting account.",
   "directories": {
     "test": "tests"