diff --git a/Gemfile.lock b/Gemfile.lock
index c2ce152..ae01aad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,7 @@ GEM
     asciidoctor (2.0.26)
     ast (2.4.3)
     concurrent-ruby (1.3.7)
-    csv (3.3.5)
+    csv (3.3.6)
     drb (2.2.3)
     ffi (1.17.4-x86_64-linux-gnu)
     fileutils (1.8.0)