diff --git a/Gemfile.lock b/Gemfile.lock
index 5f853fb4..93d84b4f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -160,7 +160,7 @@ GEM
     pg (1.1.4-x86-mingw32)
     popper_js (1.14.5)
     public_suffix (4.0.1)
-    puma (3.12.2)
+    puma (3.12.3)
     raabro (1.1.6)
     rack (2.1.1)
     rack-proxy (0.6.5)