diff --git a/_plugins/product-data-validator.rb b/_plugins/product-data-validator.rb
index e5f54908db9..6e35efaf5e3 100644
--- a/_plugins/product-data-validator.rb
+++ b/_plugins/product-data-validator.rb
@@ -137,6 +137,7 @@ def self.validate(product)
     error_if.is_not_a_number('extendedSupportWarnThreshold')
     error_if.is_not_an_array('identifiers')
     error_if.is_not_an_array('releases')
+    error_if.not_ordered_by_release_cycles('releases')
 
     if product.data.has_key?('auto')
       error_if = Validator.new(product, product.data['auto'])
@@ -295,6 +296,24 @@ def is_not_before(property1, property2)
       end
     end
 
+    def not_ordered_by_release_cycles(property)
+      releases = @data[property]
+
+      previous_release_cycle = nil
+      previous_release_date = nil
+      releases.each do |release|
+        release_cycle = release['releaseCycle']
+        release_date = release['releaseDate']
+
+        if previous_release_date and previous_release_date < release_date
+          declare_error(property, release_cycle, "expecting release to be before #{previous_release_cycle}")
+        end
+
+        previous_release_cycle = release_cycle
+        previous_release_date = release_date
+      end
+    end
+
     def is_url_invalid(property)
       # strip is necessary because changelogTemplate is sometime reformatted on two lines by latest.py
       url = @data[property].strip