diff --git a/Gemfile b/Gemfile
index aa31340..90a6000 100644
--- a/Gemfile
+++ b/Gemfile
@@ -42,3 +42,5 @@ gem 'will_paginate', '~> 3.0'
 gem 'whenever', '~> 0.9', require: false
 gem 'mysql2', '>=0.5'
 gem 'base32'
+
+gem "webrick", "~> 1.7" # fallback for removed puma; not included in alpine
diff --git a/Gemfile.lock b/Gemfile.lock
index 9c5598a..a216226 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -230,6 +230,7 @@ GEM
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
       semantic_range (>= 2.3.0)
+    webrick (1.7.0)
     websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -268,6 +269,7 @@ DEPENDENCIES
   web-console (>= 4.1.0)
   webdrivers
   webpacker (~> 5.0)
+  webrick (~> 1.7)
   whenever (~> 0.9)
   will_paginate (~> 3.0)