diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52eea3160..27a5350d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+#2.0.0
+- coupons effect are recalculated after each product's cart modification
+
 #2.0.0-RC1
 - Remove container from BaseAction.
 - fix sending mail on order creation
diff --git a/install/update/2.0.0.sql b/install/update/2.0.0.sql
new file mode 100644
index 000000000..bf9a6d918
--- /dev/null
+++ b/install/update/2.0.0.sql
@@ -0,0 +1,8 @@
+# This is a fix for InnoDB in MySQL >= 4.1.x
+# It "suspends judgement" for fkey relationships until are tables are set.
+SET FOREIGN_KEY_CHECKS = 0;
+
+UPDATE `config` SET `value`='2.0.0' WHERE `name`='thelia_version';
+UPDATE `config` SET `value`='' WHERE `name`='thelia_extra_version';
+
+SET FOREIGN_KEY_CHECKS = 1;
\ No newline at end of file