diff --git a/README.md b/README.md
index 4b7df13..49f00b1 100644
--- a/README.md
+++ b/README.md
@@ -29,24 +29,27 @@ With multicall, batch these queries into a single, on-chain query, without addit
 
 ## Installation
 
-### Using ethers-v5
+### Using ethers-v6
 
 ```bash
-npm install ethers-multicall-provider@3.1.2
+npm install ethers-multicall-provider
 ```
 
 ```bash
-yarn add ethers-multicall-provider@3.1.2
+yarn add ethers-multicall-provider
 ```
 
-### Using ethers-v6
+### Using ethers-v5
+
+> [!WARNING]  
+> This version is deprecated and probably is not as efficient as with v6.
 
 ```bash
-npm install ethers-multicall-provider
+npm install ethers-multicall-provider@3.1.2
 ```
 
 ```bash
-yarn add ethers-multicall-provider
+yarn add ethers-multicall-provider@3.1.2
 ```
 
 ---