diff --git a/Gemfile.lock b/Gemfile.lock
index aec9dcc..45c36b6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -186,8 +186,8 @@ GEM
     msgpack (1.3.3-java)
     msgpack (1.3.3-x64-mingw32)
     msgpack (1.3.3-x86-mingw32)
-    nio4r (2.5.4)
-    nio4r (2.5.4-java)
+    nio4r (2.5.8)
+    nio4r (2.5.8-java)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     nokogiri (1.10.10-java)
@@ -204,9 +204,9 @@ GEM
     pg (1.2.3-x86-mingw32)
     popper_js (1.16.0)
     public_suffix (4.0.6)
-    puma (4.3.6)
+    puma (4.3.9)
       nio4r (~> 2.0)
-    puma (4.3.6-java)
+    puma (4.3.9-java)
       nio4r (~> 2.0)
     rack (2.2.3)
     rack-test (1.1.0)
@@ -350,7 +350,6 @@ GEM
       activesupport (>= 5.0.0, < 7.0)
     warden (1.2.9)
       rack (>= 2.0.9)
-    wdm (0.1.1)
     web-console (4.0.4)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -412,7 +411,6 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   tzinfo-data
   view_component
-  wdm (>= 0.1.0)
   web-console (>= 3.3.0)
   webdrivers