diff --git a/INSTALL b/INSTALL
index 0ed52f79..81f425d9 100644
--- a/INSTALL
+++ b/INSTALL
@@ -4,7 +4,7 @@ Installation instructions for forked-daapd
 Required tools:
  - ANTLR v3 is required to build forked-daapd, along with its C runtime
    (libantlr3c). Use at least version 3.1.x of ANTLR v3 and the matching
-   C runtime version.
+   C runtime version. Version 3.1.3 is recommended.
 
 The configure script will look for a wrapper called antlr3 in the PATH to
 invoke ANTLR. If it doesn't exist, it'll try to invoke ANTLR directly with