diff --git a/CHANGELOG.md b/CHANGELOG.md
index cdf1dc7..6f58879 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -24,6 +24,10 @@ DO NOT TOUCH. SAVE IT ON TOP.
 
 -->
 
+## [4.1.0] - 2021-02-13
+### Added
+- Concurrency with `cuncurrency` option: ~1.5x faster.
+
 ## [4.0.0] - 2021-02-01
 ### Breaking
 - Requires `Node 12+`
diff --git a/package.json b/package.json
index 0cd1e15..09f04b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@flexis/srcset",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "Highly customizable tool for generating responsive images.",
   "author": "dangreen",
   "license": "MIT",