diff --git a/README.md b/README.md
index bbe1e028f2..c698e20685 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,11 @@
 # CERT Coordination Center Vulnerability Data Archive
 
-Release 2018-01-31
+Release 2018-01-30
 
 
 ### Change Log ###
 
-2018-01-31  Updated data.
+2018-01-30  Updated data.
 
 2017-11-08  Updated data. Sorted JSON keys so future updates should
             diff more cleanly in git commit logs.