diff --git a/Gemfile b/Gemfile
index 1f6be54..742741c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -74,3 +74,4 @@ gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]
 # See https://github.com/rails/rails/pull/44175
 gem 'net-http'
 gem 'uri', '0.10.0'
+gem 'strscan', '3.0.1'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 4a09284..f96f074 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -279,7 +279,7 @@ GEM
     sqlite3 (1.5.3)
       mini_portile2 (~> 2.8.0)
     stringio (3.0.2)
-    strscan (3.0.4)
+    strscan (3.0.1)
     thor (1.2.1)
     tilt (2.0.10)
     timeout (0.3.0)
@@ -337,6 +337,7 @@ DEPENDENCIES
   sassc-rails (~> 2.1.2)
   sdoc (~> 2.4.0)
   sqlite3 (~> 1.5.3)
+  strscan (= 3.0.1)
   turbolinks (~> 5.2.1)
   tzinfo-data
   uglifier (~> 4.2.0)