diff --git a/Gemfile.lock b/Gemfile.lock
index 362fb5fc..da767d11 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
     concurrent-ruby (1.3.4)
     connection_pool (2.4.1)
     crass (1.0.6)
-    csv (3.3.0)
+    csv (3.3.1)
     date (3.4.1)
     diff-lcs (1.5.1)
     docile (1.4.1)
@@ -407,7 +407,7 @@ CHECKSUMS
   concurrent-ruby (1.3.4) sha256=d4aa926339b0a86b5b5054a0a8c580163e6f5dcbdfd0f4bb916b1a2570731c32
   connection_pool (2.4.1) sha256=0f40cf997091f1f04ff66da67eabd61a9fe0d4928b9a3645228532512fab62f4
   crass (1.0.6) sha256=dc516022a56e7b3b156099abc81b6d2b08ea1ed12676ac7a5657617f012bd45d
-  csv (3.3.0) sha256=0bbd1defdc31134abefed027a639b3723c2753862150f4c3ee61cab71b20d67d
+  csv (3.3.1) sha256=e5133b9005fd2ca61547509cd8b7eefa94663d5d36c0e73297b0ae0a35e3e767
   date (3.4.1) sha256=bf268e14ef7158009bfeaec40b5fa3c7271906e88b196d958a89d4b408abe64f
   diff-lcs (1.5.1) sha256=273223dfb40685548436d32b4733aa67351769c7dea621da7d9dd4813e63ddfe
   docile (1.4.1) sha256=96159be799bfa73cdb721b840e9802126e4e03dfc26863db73647204c727f21e