diff --git a/Gemfile b/Gemfile
index 049de472f..d1e76aad5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ gem "pg", "0.12.2"
 gem "kgio"
 gem "dalli"
 gem "delayed_job"
-gem "delayed_job_active_record"
+gem "delayed_job_active_record", :git => "https://github.com/r888888888/delayed_job_active_record.git", :branch => "postgresql8"
 gem "simple_form"
 gem "mechanize"
 gem "nokogiri"
diff --git a/Gemfile.lock b/Gemfile.lock
index 95f293a67..4bb170430 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,12 @@
+GIT
+  remote: https://github.com/r888888888/delayed_job_active_record.git
+  revision: ed036c188ebc323929a7509a9cebf40466bc0b0d
+  branch: postgresql8
+  specs:
+    delayed_job_active_record (4.0.0)
+      activerecord (>= 3.0, < 4.1)
+      delayed_job (>= 3.0, < 4.1)
+
 GIT
   remote: https://github.com/r888888888/ruby-imagespec.git
   revision: 2dab9811f4abb4fbaeea66feb42e388ba545b2d8
@@ -60,9 +69,6 @@ GEM
     dalli (2.6.4)
     delayed_job (4.0.0)
       activesupport (>= 3.0, < 4.1)
-    delayed_job_active_record (4.0.0)
-      activerecord (>= 3.0, < 4.1)
-      delayed_job (>= 3.0, < 4.1)
     diff-lcs (1.2.4)
     domain_name (0.5.12)
       unf (>= 0.0.5, < 1.0.0)
@@ -220,7 +226,7 @@ DEPENDENCIES
   daemons
   dalli
   delayed_job
-  delayed_job_active_record
+  delayed_job_active_record!
   diff-lcs
   factory_girl
   ffaker