diff --git a/Gemfile.lock b/Gemfile.lock
index 8dac9b1..03e6553 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,10 +115,8 @@ GEM
       activerecord (>= 4.0.0, < 5)
     babosa (1.0.2)
     bcrypt (3.1.13)
-    bitters (1.2.0)
-      bourbon (>= 4.2)
-      sass (>= 3.4)
-      thor
+    bitters (2.0.3)
+      thor (~> 0.19)
     bourbon (4.3.4)
       sass (~> 3.4)
       thor (~> 0.19)
@@ -157,7 +155,7 @@ GEM
     execjs (2.7.0)
     faraday (0.17.1)
       multipart-post (>= 1.2, < 3)
-    ffi (1.11.3)
+    ffi (1.12.2)
     figaro (1.1.1)
       thor (~> 0.14)
     filters_spam (0.5)
@@ -315,7 +313,7 @@ GEM
     raindrops (0.19.0)
     rake (13.0.1)
     rb-fsevent (0.10.3)
-    rb-inotify (0.10.0)
+    rb-inotify (0.10.1)
       ffi (~> 1.0)
     rdoc (4.3.0)
     readingtime (0.4.0)