diff --git a/Gemfile b/Gemfile
index 33b7678b..67812d19 100644
--- a/Gemfile
+++ b/Gemfile
@@ -31,7 +31,7 @@ gem 'miga-base', '~> 1.3'
 gem 'mutex_m'
 gem 'pdf-reader'
 gem 'pg'
-gem 'puma', '~> 5.6'
+gem 'puma', '~> 7.2'
 gem 'rails', '~> 6.1'
 gem 'rack-attack'
 gem 'rack-cors'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6e982439..44ee8df2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -252,7 +252,7 @@ GEM
       date
       stringio
     public_suffix (7.0.5)
-    puma (5.6.9)
+    puma (7.2.1)
       nio4r (~> 2.0)
     racc (1.8.1)
     rack (2.2.23)
@@ -495,7 +495,7 @@ DEPENDENCIES
   mutex_m
   pdf-reader
   pg
-  puma (~> 5.6)
+  puma (~> 7.2)
   rack-attack
   rack-cors
   rails (~> 6.1)