diff --git a/Gemfile b/Gemfile
index 478ba9087a5..ff9fa91e45e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -95,7 +95,7 @@ gem 'semantic', '~> 1.6.1'
 # used for statistics on svn repositories
 gem 'svg-graph', '~> 2.2.0'
 
-gem 'date_validator', '~> 0.9.0'
+gem 'date_validator', '~> 0.10.0'
 gem 'ruby-duration', '~> 3.2.0'
 
 # provide compatible filesystem information for available storage
diff --git a/Gemfile.lock b/Gemfile.lock
index 2df470cc668..5e2058012d0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -418,9 +418,9 @@ GEM
     danger-plugin-api (1.0.0)
       danger (> 2.0)
     database_cleaner (1.8.5)
-    date_validator (0.9.0)
-      activemodel
-      activesupport
+    date_validator (0.10.0)
+      activemodel (>= 3)
+      activesupport (>= 3)
     debug_inspector (0.0.3)
     deckar01-task_list (2.3.1)
       html-pipeline
@@ -1013,7 +1013,7 @@ DEPENDENCIES
   danger-brakeman
   dashboards!
   database_cleaner (~> 1.8)
-  date_validator (~> 0.9.0)
+  date_validator (~> 0.10.0)
   deckar01-task_list (~> 2.3.1)
   delayed_cron_job (~> 0.7.2)
   delayed_job_active_record (~> 4.1.4)