diff --git a/backend/README.md b/backend/README.md
index 2fb7ee68a..2adc8bbd2 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -77,6 +77,8 @@ Query OK, 0 rows affected (0.00 sec)
 
 #### Build
 
+_Node.js 16 and npm 7 are recommended._
+
 Install dependencies with `npm` and build the backend:
 
 ```
diff --git a/frontend/README.md b/frontend/README.md
index 59929b5ee..49dd104a7 100644
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -34,6 +34,8 @@ $ npm run config:defaults:bisq
 
 ### 3. Run the Frontend
 
+_Node.js 16 and npm 7 are recommended._
+
 Install project dependencies and run the frontend server:
 
 ```
@@ -69,6 +71,8 @@ Set up the [Mempool backend](../backend/) first, if you haven't already.
 
 ### 1. Build the Frontend
 
+_Node.js 16 and npm 7 are recommended._
+
 Build the frontend:
 
 ```