diff --git a/Gemfile.lock b/Gemfile.lock
index aec9dcc..7456ca4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,9 @@ GEM
       mimemagic (~> 0.3.2)
     maruku (0.7.3)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.2)
@@ -253,7 +255,7 @@ GEM
       railties (>= 5.0)
     reverse_markdown (2.0.0)
       nokogiri
-    rexml (3.2.4)
+    rexml (3.2.5)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
@@ -350,7 +352,6 @@ 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 +413,6 @@ DEPENDENCIES
   spring-watcher-listen (~> 2.0.0)
   tzinfo-data
   view_component
-  wdm (>= 0.1.0)
   web-console (>= 3.3.0)
   webdrivers