diff --git a/submodules/pypsa-earth-sec b/submodules/pypsa-earth-sec
index ad0c4ee..fe66179 160000
--- a/submodules/pypsa-earth-sec
+++ b/submodules/pypsa-earth-sec
@@ -1 +1 @@
-Subproject commit ad0c4ee25027000d751ce7f6e10f0fe070b00ed0
+Subproject commit fe66179ee87b62a36fbfbbc958fffed40eb341bb