diff --git a/evaluationserver/Gemfile.lock b/evaluationserver/Gemfile.lock
index d555d8371..e3ea10c2a 100644
--- a/evaluationserver/Gemfile.lock
+++ b/evaluationserver/Gemfile.lock
@@ -134,14 +134,16 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.0331)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     multi-select-rails (0.9.12)
       railties (>= 3.0)
     mysql2 (0.5.2)
-    nio4r (2.4.0)
+    nio4r (2.5.8)
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     paperclip (6.1.0)
@@ -153,7 +155,7 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     public_suffix (3.1.1)
-    puma (4.0.1)
+    puma (4.3.12)
       nio4r (~> 2.0)
     rack (2.0.7)
     rack-test (1.1.0)