diff --git a/notebooks/lastupdated.ini b/notebooks/lastupdated.ini
index a91b805c254887a3c0d838c66df660b9cecb61ba..c4e9326878e7170c617745d961a53300fa055ea8 100644
--- a/notebooks/lastupdated.ini
+++ b/notebooks/lastupdated.ini
@@ -1,3 +1,3 @@
 [Updated]
-datetime = 2023-05-31T00:00:00Z
+datetime = 2023-06-01T00:00:00Z