diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index ca1c1ac..9556eea 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -1,5 +1,5 @@
 {% set name = "power-grid-model" %}
-{% set version = "1.9.80" %}
+{% set version = "1.9.81" %}
 
 package:
   name: {{ name|lower }}
@@ -7,7 +7,7 @@ package:
 
 source:
   url: https://pypi.io/packages/source/{{ name[0] }}/{{ name }}/{{ name.replace('-', '_') }}-{{ version }}.tar.gz
-  sha256: f23889efc3f9f1ff2f04d7ec64738386c405627529213f52446d5f8d82c17941
+  sha256: f8ed5cfc2e19744d52e9163ab8355c04ad33a6e6a384199770a4ea0f92b8ba33
 
 build:
   skip: true  # [py<310 or win32 or ppc64le or (python_impl == 'pypy')]