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-rw-r--r--Gemfile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Gemfile b/Gemfile
index 42208085c..d82673324 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ ruby '>= 2.4.0', '< 2.7.0'
 
 gem 'pkg-config', '~> 1.3'
 
-gem 'puma', '~> 3.12'
+gem 'puma', '~> 4.0'
 gem 'rails', '~> 5.2.3'
 gem 'thor', '~> 0.20'