diff --git a/sakai11 copy 10/surrogates/Gemfile b/sakai11 copy 10/surrogates/Gemfile
index fb831b389..0b9f73965 100644
--- a/sakai11 copy 10/surrogates/Gemfile	
+++ b/sakai11 copy 10/surrogates/Gemfile	
@@ -1,6 +1,6 @@
 source "http://rubygems.org"
 
-gem "sinatra"
+gem "sinatra", ">= 4.1.0"
 gem "json"
 gem "jruby-jars", "= 1.7.0"
 gem "warbler", "= 1.3.5"
diff --git a/sakai11 copy 10/surrogates/Gemfile.lock b/sakai11 copy 10/surrogates/Gemfile.lock
index 7cc0a294d..dde7f8436 100644
--- a/sakai11 copy 10/surrogates/Gemfile.lock	
+++ b/sakai11 copy 10/surrogates/Gemfile.lock	
@@ -1,20 +1,32 @@
 GEM
   remote: http://rubygems.org/
   specs:
+    base64 (0.2.0)
     jruby-jars (1.7.0)
     jruby-rack (1.1.10)
     json (1.7.5)
     json (1.7.5-java)
-    rack (1.4.1)
-    rack-protection (1.2.0)
-      rack
+    logger (1.6.1)
+    mustermann (3.0.3)
+      ruby2_keywords (~> 0.0.1)
+    rack (3.1.8)
+    rack-protection (4.1.0)
+      base64 (>= 0.1.0)
+      logger (>= 1.6.0)
+      rack (>= 3.0.0, < 4)
+    rack-session (2.0.0)
+      rack (>= 3.0.0)
     rake (0.9.2.2)
+    ruby2_keywords (0.0.5)
     rubyzip (0.9.9)
-    sinatra (1.3.3)
-      rack (~> 1.3, >= 1.3.6)
-      rack-protection (~> 1.2)
-      tilt (~> 1.3, >= 1.3.3)
-    tilt (1.3.3)
+    sinatra (4.1.0)
+      logger (>= 1.6.0)
+      mustermann (~> 3.0)
+      rack (>= 3.0.0, < 4)
+      rack-protection (= 4.1.0)
+      rack-session (>= 2.0.0, < 3)
+      tilt (~> 2.0)
+    tilt (2.4.0)
     warbler (1.3.5)
       jruby-jars (>= 1.4.0)
       jruby-rack (>= 1.0.0)
@@ -23,9 +35,13 @@ GEM
 
 PLATFORMS
   java
+  ruby
 
 DEPENDENCIES
   jruby-jars (= 1.7.0)
   json
-  sinatra
+  sinatra (>= 4.1.0)
   warbler (= 1.3.5)
+
+BUNDLED WITH
+   2.1.4