diff --git a/submodules/pypsa-earth-sec b/submodules/pypsa-earth-sec
index ea7fcfb..b1aa026 160000
--- a/submodules/pypsa-earth-sec
+++ b/submodules/pypsa-earth-sec
@@ -1 +1 @@
-Subproject commit ea7fcfb5065705849d3070a2d51f7e2837eff508
+Subproject commit b1aa0262b1d22302d6b6d8568cbdaceaecdabd45