diff --git a/assets/dora/Gemfile.lock b/assets/dora/Gemfile.lock
index 4211f7e48..cfd1b4ca0 100644
--- a/assets/dora/Gemfile.lock
+++ b/assets/dora/Gemfile.lock
@@ -1,12 +1,14 @@
 GEM
   remote: http://rubygems.org/
   specs:
+    base64 (0.2.0)
     diff-lcs (1.5.0)
     json (2.7.1)
     mustermann (3.0.0)
       ruby2_keywords (~> 0.0.1)
     rack (2.2.8)
-    rack-protection (3.1.0)
+    rack-protection (3.2.0)
+      base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
     rack-test (2.1.0)
       rack (>= 1.3)
@@ -24,12 +26,12 @@ GEM
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
     ruby2_keywords (0.0.5)
-    sinatra (3.1.0)
+    sinatra (3.2.0)
       mustermann (~> 3.0)
       rack (~> 2.2, >= 2.2.4)
-      rack-protection (= 3.1.0)
+      rack-protection (= 3.2.0)
       tilt (~> 2.0)
-    tilt (2.2.0)
+    tilt (2.3.0)
     webrick (1.8.1)
 
 PLATFORMS
diff --git a/assets/dora/vendor/cache/base64-0.2.0.gem b/assets/dora/vendor/cache/base64-0.2.0.gem
new file mode 100644
index 000000000..a45f09b73
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diff --git a/assets/dora/vendor/cache/rack-protection-3.1.0.gem b/assets/dora/vendor/cache/rack-protection-3.1.0.gem
deleted file mode 100644
index e8b24084a..000000000
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diff --git a/assets/dora/vendor/cache/rack-protection-3.2.0.gem b/assets/dora/vendor/cache/rack-protection-3.2.0.gem
new file mode 100644
index 000000000..d8cbc5cd0
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diff --git a/assets/dora/vendor/cache/sinatra-3.1.0.gem b/assets/dora/vendor/cache/sinatra-3.1.0.gem
deleted file mode 100644
index a1a571282..000000000
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diff --git a/assets/dora/vendor/cache/sinatra-3.2.0.gem b/assets/dora/vendor/cache/sinatra-3.2.0.gem
new file mode 100644
index 000000000..5298e53e2
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diff --git a/assets/dora/vendor/cache/tilt-2.2.0.gem b/assets/dora/vendor/cache/tilt-2.2.0.gem
deleted file mode 100644
index 30774e958..000000000
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diff --git a/assets/dora/vendor/cache/tilt-2.3.0.gem b/assets/dora/vendor/cache/tilt-2.3.0.gem
new file mode 100644
index 000000000..9a7556374
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