diff --git a/Gemfile.lock b/Gemfile.lock
index 5bb77e9..2c5faac 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     open4 (1.3.4)
     prism (1.9.0)
     process_executer (1.3.0)
-    pstore (0.2.0)
+    pstore (0.2.1)
     public_suffix (7.0.2)
     rchardet (1.10.0)
     rexml (3.4.4)