diff --git a/README.md b/README.md
index d2c60e6e7..522b63915 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ This action currently supports these versions of MRI, JRuby and TruffleRuby:
 
 | Interpreter | Versions |
 | ----------- | -------- |
-| Ruby | 2.3.8, 2.4.0 - 2.4.9, 2.5.0 - 2.5.7, 2.6.0 - 2.6.5, 2.7.0 |
+| Ruby | 2.3.0 - 2.3.8, 2.4.0 - 2.4.9, 2.5.0 - 2.5.7, 2.6.0 - 2.6.5, 2.7.0 |
 | JRuby | 9.2.9.0 |
 | TruffleRuby  | 19.3.0 |