diff --git a/config/config.default.yaml b/config/config.default.yaml
index 5afc6f8e..b13bed4e 100644
--- a/config/config.default.yaml
+++ b/config/config.default.yaml
@@ -650,7 +650,7 @@ industry:
 # docs in https://pypsa-eur.readthedocs.io/en/latest/configuration.html#costs
 costs:
   year: 2030
-  version: v0.6.2
+  version: v0.7.0
   rooftop_share: 0.14  # based on the potentials, assuming  (0.1 kW/m2 and 10 m2/person)
   social_discountrate: 0.02
   fill_values:
diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 976d727e..bf9860c6 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -10,6 +10,8 @@ Release Notes
 Upcoming Release
 ================
 
+* Upgrade techno-economic assumptions to ``technology-data`` v0.7.0.
+
 * Bugfix: Correct technology keys for the electricity production plotting to work out the box.
 
 * New configuration option ``everywhere_powerplants`` to build conventional powerplants everywhere, irrespective of existing powerplants locations, in the network (https://github.com/PyPSA/pypsa-eur/pull/850).