diff --git a/README.md b/README.md
index 599424ba..20656d99 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-Common Data Model v5.2
+Common Data Model v5.3
 =================
 
 See full CDM specification file on our github [wiki](https://github.com/OHDSI/CommonDataModel/wiki) or in the [CDM V5.3 PDF](https://github.com/OHDSI/CommonDataModel/blob/master/OMOP_CDM_v5_3.pdf)