diff --git a/README.md b/README.md
index edb6ca2..e748449 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Implementing tables from Lua into Python 3.12
 ## Usage
 
 ```bash
-pip install python-tables
+pip install -U python-tables
 ```
 
 ```py
@@ -20,4 +20,4 @@ print(repr(tbl)) # Table([1]; {"foo": "bar"})
 tbl += [2,3,4]
 print(tbl) # <1, 2, 3, 4, foo: 'bar'>
 print(tbl == Table(1,2,3,4,foo="bar"))
-```
\ No newline at end of file
+```