diff --git a/HISTORY.md b/HISTORY.md
index 5501a5dcd4..fea0f23f7d 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,5 @@
-### mlpack 3.4.2
-###### 2020-11-26
+### mlpack ?.?.?
+###### ????-??-??
   * Add Adjusted R squared functionality to R2Score::Evaluate (#2624)
 
 ### mlpack 3.4.1