diff --git a/other/clrs/Gemfile.lock b/other/clrs/Gemfile.lock
index a744e6b0..bf3a71cb 100644
--- a/other/clrs/Gemfile.lock
+++ b/other/clrs/Gemfile.lock
@@ -4,26 +4,26 @@ GEM
     coderay (1.1.3)
     ffi (1.15.0)
     mini_portile2 (2.5.0)
-    mustermann (1.1.1)
+    mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     nokogiri (1.11.1)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     racc (1.5.2)
-    rack (2.2.3)
-    rack-protection (2.1.0)
+    rack (2.2.4)
+    rack-protection (2.2.3)
       rack
     rake (13.0.3)
     redcarpet (3.5.1)
-    ruby2_keywords (0.0.2)
+    ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     shotgun (0.9.2)
       rack (>= 1.0)
-    sinatra (2.1.0)
-      mustermann (~> 1.0)
+    sinatra (2.2.3)
+      mustermann (~> 2.0)
       rack (~> 2.2)
-      rack-protection (= 2.1.0)
+      rack-protection (= 2.2.3)
       tilt (~> 2.0)
     tilt (2.0.10)