diff --git a/Gemfile.lock b/Gemfile.lock
index ff8d2aa..77fb3ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -24,7 +24,7 @@ GEM
       rexml
     csv (3.2.8)
     diff-lcs (1.5.1)
-    dotenv (3.0.2)
+    dotenv (3.1.1)
     drb (2.2.0)
       ruby2_keywords
     hashdiff (1.1.0)