diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index b73b56f8..9e9a4fa7 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -9,6 +9,9 @@ Release Notes
 
 Upcoming Release
 ================
+
+* Bump minimum ``powerplantmatching`` version to v0.5.15.
+
 * Group existing capacities to the earlier grouping_year for consistency with optimized capacities.
 
 * bugfix: installed heating capacities were 5% lower than existing heating capacities
diff --git a/envs/environment.yaml b/envs/environment.yaml
index cbb1a364..58835603 100644
--- a/envs/environment.yaml
+++ b/envs/environment.yaml
@@ -25,7 +25,7 @@ dependencies:
 - yaml
 - pytables
 - lxml
-- powerplantmatching>=0.5.13
+- powerplantmatching>=0.5.15
 - numpy
 - pandas>=2.1
 - geopandas>=0.11.0