diff --git a/README b/README
index 58200f6..3e4d753 100644
--- a/README
+++ b/README
@@ -6,7 +6,7 @@ Requirements
 
 Cuirass currently depends on the following packages:
 
-  - GNU Guile 2.0.9 or later
+  - GNU Guile 2.2.x or later
   - GNU Guix (and all its development dependencies)
   - GNU Make
   - Guile-JSON 3.x