diff --git a/Gemfile b/Gemfile
index c6d969cb0..46b6f442e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ gem "globalize", "~> 5.3.0"
 gem "globalize-accessors", "~> 0.2.1"
 gem "graphiql-rails", "~> 1.4.1"
 gem "graphql", "~> 1.7.8"
-gem "groupdate", "~> 5.1.0"
+gem "groupdate", "~> 5.2.1"
 gem "initialjs-rails", "~> 0.2.0.9"
 gem "invisible_captcha", "~> 0.10.0"
 gem "jquery-fileupload-rails"
diff --git a/Gemfile.lock b/Gemfile.lock
index 6431d0bf6..01406996c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -264,7 +264,7 @@ GEM
     graphiql-rails (1.4.8)
       rails
     graphql (1.7.8)
-    groupdate (5.1.0)
+    groupdate (5.2.1)
       activesupport (>= 5)
     gyoku (1.3.1)
       builder (>= 2.1.2)
@@ -671,7 +671,7 @@ DEPENDENCIES
   globalize-accessors (~> 0.2.1)
   graphiql-rails (~> 1.4.1)
   graphql (~> 1.7.8)
-  groupdate (~> 5.1.0)
+  groupdate (~> 5.2.1)
   i18n-tasks (~> 0.9.31)
   initialjs-rails (~> 0.2.0.9)
   invisible_captcha (~> 0.10.0)