diff --git a/config/config.default.yaml b/config/config.default.yaml
index 91f38b91..b4d96b12 100644
--- a/config/config.default.yaml
+++ b/config/config.default.yaml
@@ -662,7 +662,7 @@ industry:
 # docs in https://pypsa-eur.readthedocs.io/en/latest/configuration.html#costs
 costs:
   year: 2030
-  version: v0.7.0
+  version: v0.8.0
   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 68148086..e0e0d22b 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -61,7 +61,7 @@ Upcoming Release
 
 * The filtering of power plants in the ``config.default.yaml`` has been updated regarding phased-out power plants in 2023.
 
-* Upgrade techno-economic assumptions to ``technology-data`` v0.7.0.
+* Upgrade techno-economic assumptions to ``technology-data`` v0.8.0.
 
 * Bugfix: Correct technology keys for the electricity production plotting to work out the box.