diff --git a/doc/INSTALL.md b/doc/INSTALL.md
index db1afa6..d3399a4 100644
--- a/doc/INSTALL.md
+++ b/doc/INSTALL.md
@@ -1,7 +1,7 @@
 Installation
 ============
 
-stcgal requires Python 3.2 (or later), pyserial 3.0 or later and
+stcgal requires Python 3.5 (or later), pyserial 3.0 or later and
 TQDM 4.0.0 or later. USB support is optional and requires pyusb
 1.0.0b2 or later. You can run stcgal directly with the included
 ```stcgal.py``` script if the dependencies are already installed.