diff --git a/README.md b/README.md
index eb75447..121b939 100644
--- a/README.md
+++ b/README.md
@@ -30,13 +30,13 @@
 or
 
 ```shell
-> pip install fastapi-cache2[redis]
+> pip install "fastapi-cache2[redis]"
 ```
 
 or
 
 ```shell
-> pip install fastapi-cache2[memcache]
+> pip install "fastapi-cache2[memcache]"
 ```
 
 ## Usage