diff --git a/submodules/pypsa-earth-sec b/submodules/pypsa-earth-sec
index b1aa026..c3813bd 160000
--- a/submodules/pypsa-earth-sec
+++ b/submodules/pypsa-earth-sec
@@ -1 +1 @@
-Subproject commit b1aa0262b1d22302d6b6d8568cbdaceaecdabd45
+Subproject commit c3813bd905baf78fdc5dd84ee7c86974d6927131