diff --git a/CHANGELOG_en.md b/CHANGELOG_en.md
index 7b42fea..e68da75 100644
--- a/CHANGELOG_en.md
+++ b/CHANGELOG_en.md
@@ -1,4 +1,6 @@
 # CHANGELOG
+## 2021-02-25
+- `xiaomi_en` Redmi K40 series have been added.
 ## 2021-02-24
 - `realme_en` Several Indian models have been added.
 ## 2021-02-05
diff --git a/brands/xiaomi_en.md b/brands/xiaomi_en.md
index 2a063d1..e2d7594 100644
--- a/brands/xiaomi_en.md
+++ b/brands/xiaomi_en.md
@@ -941,6 +941,14 @@
 
 `M2007J3SC`: Redmi K30S Ultra China
 
+**[`K11A`] Redmi K40 (`alioth`):**
+
+`M2012K11AC`: Redmi K40 China
+
+**[`K11`] Redmi K40 Pro / Redmi K40 Pro+ (`haydn`):**
+
+`M2012K11C`: Redmi K40 Pro China / Redmi K40 Pro+ China
+
 **[`H3C`] Redmi Pro (`omega`):**
 
 `2016020`: Redmi Pro (32GB)