diff --git a/pkgs/development/interpreters/ruby/rubygems-src.nix b/pkgs/development/interpreters/ruby/rubygems-src.nix
index cb36c96a4c5..ad155bf1534 100644
--- a/pkgs/development/interpreters/ruby/rubygems-src.nix
+++ b/pkgs/development/interpreters/ruby/rubygems-src.nix
@@ -1,6 +1,6 @@
 { fetchurl
-, version ? "2.7.6"
-, sha256 ? "1sqy6z1kngq91nxmv1hw4xhw1ycwx9s76hfbpcdlgkm9haji9xv7"
+, version ? "2.7.7"
+, sha256 ? "1jsmmd31j8j066b83lin4bbqz19jhrirarzb41f3sjhfdjiwkcjc"
 }:
 fetchurl {
   url = "http://production.cf.rubygems.org/rubygems/rubygems-${version}.tgz";