diff --git a/Gemfile.checksum b/Gemfile.checksum
index aed7cde551ac77c97d51538b4e878cd8de3af4d4..8165ea5e90b81ae28cdde35fb9ad9bb54d798484 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -523,7 +523,7 @@
 {"name":"rubocop-rails","version":"2.17.4","platform":"ruby","checksum":"8004149a14372d3d6cededd000357879fa7eb0421403a7a26bc717e2a98bbedb"},
 {"name":"rubocop-rspec","version":"2.18.1","platform":"ruby","checksum":"41c6455630fc98b809ebca047413389e2b7e3f68975028365c07bfea878db5ee"},
 {"name":"ruby-fogbugz","version":"0.3.0","platform":"ruby","checksum":"5e04cde474648f498a71cf1e1a7ab42c66b953862fbe224f793ec0a7a1d5f657"},
-{"name":"ruby-magic","version":"0.5.4","platform":"ruby","checksum":"2c17b185130d10a83791f63a40baa358c4b138af37da3f4dab53690121c421d5"},
+{"name":"ruby-magic","version":"0.5.5","platform":"ruby","checksum":"d2cc5b6b719831c3108a4f8a62bf3314c1af6cb09c98e2b5a3f9509bf8814e6c"},
 {"name":"ruby-progressbar","version":"1.11.0","platform":"ruby","checksum":"cc127db3866dc414ffccbf92928a241e585b3aa2b758a5563e74a6ee0f57d50a"},
 {"name":"ruby-saml","version":"1.13.0","platform":"ruby","checksum":"d31cbdf5fb8fdd6aa3187e48dba3085cfeb751af30276a5739aa3659a66f069c"},
 {"name":"ruby-statistics","version":"3.0.0","platform":"ruby","checksum":"610301370346931cb701e3a8d3d3e28eb65681162cae6066c0c11abf20efdc81"},
diff --git a/Gemfile.lock b/Gemfile.lock
index 40a2739b744cc434e44b31677debb99a6dd90f3f..ff131ef31a84fb9f359e105340884d932a96520b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1327,8 +1327,8 @@ GEM
     ruby-fogbugz (0.3.0)
       crack (~> 0.4)
       multipart-post (~> 2.0)
-    ruby-magic (0.5.4)
-      mini_portile2 (~> 2.6)
+    ruby-magic (0.5.5)
+      mini_portile2 (~> 2.8)
     ruby-progressbar (1.11.0)
     ruby-saml (1.13.0)
       nokogiri (>= 1.10.5)