diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index cde0b90d6fe9..724435c01ca2 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -358,6 +358,10 @@ in
       '';
     } else {};
 
+  semian = attrs: {
+    buildInputs = [ openssl ];
+  };
+
   sequel_pg = attrs: {
     buildInputs = [ postgresql ];
   };