diff --git a/pyproject.toml b/pyproject.toml
index 963cb07..887c9f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
 
 [project.optional-dependencies]
 packages = ["kopf==1.44.5"]
-pip-install = ["pip==26.0.1"]
+pip-install = ["pip==26.1.1"]
 
 [project.urls]
 Documentation = "https://github.com/crossplane-contrib/function-pythonic#readme"