1 files changed, 1 insertions, 1 deletions
diff --git a/Gemfile b/Gemfile
index ace3165..4c4d350 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,7 +17,7 @@ end
 group :debug do
   gem "pry"
   gem "pry-byebug"
-  gem "pry-stack_explorer"
+  gem "pry-stack_explorer", "~> 0.4.0" # pin until we drop ruby < 2.6
   gem "rb-readline"
   gem "simplecov", "~> 0.9"
 end