diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 70cb7e3ca39..00c6fb73214 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -403,6 +403,10 @@ in
     ] ++ lib.optional stdenv.isDarwin "--with-iconv-dir=${libiconv}";
   };
 
+  openssl = attrs: {
+    buildInputs = [ openssl ];
+  };
+
   opus-ruby = attrs: {
     dontBuild = false;
     postPatch = ''