diff --git a/lessons/landlab/landlab/.opentopography.txt b/lessons/landlab/landlab/.opentopography.txt
index dad67ad..e367779 100644
--- a/lessons/landlab/landlab/.opentopography.txt
+++ b/lessons/landlab/landlab/.opentopography.txt
@@ -1 +1 @@
-322ded83195625c96a71f8fe683ec607
+demoapikeyot2022