diff --git a/Gemfile b/Gemfile
index 7615d67..6e03cf6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,9 +2,5 @@
 
 source "https://rubygems.org"
 
-# FIXME: Workaround for Ruby 4.0+
-# https://github.com/banister/binding_of_caller/pull/90
-gem "binding_of_caller", github: "kivikakk/binding_of_caller", branch: "push-yrnnzolypxun"
-
 # Specify your gem's dependencies in ruby_header_parser.gemspec
 gemspec