diff --git a/go.mod b/go.mod
index bde7e93c4b..ca9dbd6f9e 100644
--- a/go.mod
+++ b/go.mod
@@ -42,7 +42,7 @@ require (
 	github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 // indirect
 	github.com/satori/go.uuid v1.2.0
 	github.com/shirou/gopsutil v2.18.12+incompatible // indirect
-	github.com/shopspring/decimal v0.0.0-20190905144223-a36b5d85f337 // indirect
+	github.com/shopspring/decimal v0.0.0-20191125035519-b054a8dfd10d // indirect
 	github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726
 	github.com/siddontang/go-log v0.0.0-20190221022429-1e957dd83bed // indirect
 	github.com/siddontang/go-mysql v0.0.0-20191009015310-f66c8b344478
diff --git a/go.sum b/go.sum
index 465b84c390..2078a44d5a 100644
--- a/go.sum
+++ b/go.sum
@@ -346,8 +346,8 @@ github.com/shirou/gopsutil v2.18.12+incompatible h1:1eaJvGomDnH74/5cF4CTmTbLHAri
 github.com/shirou/gopsutil v2.18.12+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24 h1:pntxY8Ary0t43dCZ5dqY4YTJCObLY1kIXl0uzMv+7DE=
 github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
-github.com/shopspring/decimal v0.0.0-20190905144223-a36b5d85f337 h1:Da9XEUfFxgyDOqUfwgoTDcWzmnlOnCGi6i4iPS+8Fbw=
-github.com/shopspring/decimal v0.0.0-20190905144223-a36b5d85f337/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
+github.com/shopspring/decimal v0.0.0-20191125035519-b054a8dfd10d h1:976xhcFOjbSk2cmjzMkzePBLTAPkErAI5x/J6hsAEmw=
+github.com/shopspring/decimal v0.0.0-20191125035519-b054a8dfd10d/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
 github.com/shurcooL/httpfs v0.0.0-20171119174359-809beceb2371/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg=
 github.com/shurcooL/vfsgen v0.0.0-20181020040650-a97a25d856ca/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw=
 github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 h1:xT+JlYxNGqyT+XcU8iUrN18JYed2TvG9yN5ULG2jATM=
diff --git a/tests/all_mode/data/db1.increment.sql b/tests/all_mode/data/db1.increment.sql
index b10718db0d..1495d6da5c 100644
--- a/tests/all_mode/data/db1.increment.sql
+++ b/tests/all_mode/data/db1.increment.sql
@@ -23,3 +23,7 @@ insert into t1 (id, name, info) values (7, 'gentest', '{"id": 126}');
 update t1 set name = 'gentestxxxxxx' where gen_id = 124;
 -- delete with unique key
 delete from t1 where gen_id > 124;
+
+-- test decimal type
+alter table t1 add column lat decimal(9,6) default '0.000000';
+insert into t1 (id, name, info, lat) values (8, 'gentest', '{"id":127}', '123.123')