diff --git a/opam/opam b/opam/opam
index 0c0a81eaa9a61b5d9886d6386a24d3c28c80cbde..3b6424cf61d919a5f75ebeb120dd05eb2d6a6d04 100644
--- a/opam/opam
+++ b/opam/opam
@@ -94,7 +94,7 @@ depends: [
   ( ( "lablgtk" { >= "2.18.2" } & "conf-gnomecanvas" )
   | ( "lablgtk3" { >= "3.0.beta4" & os!="macos" } & "lablgtk3-sourceview3" ))
   "conf-gtksourceview"
-  ( "alt-ergo-free" | "alt-ergo" { <= "2.2.0" } )
+  ( "alt-ergo-free" | "alt-ergo" )
   "conf-graphviz" { post }
   "yojson"
 ]