diff --git a/Makefile b/Makefile
index af4469f..2fdd52a 100644
--- a/Makefile
+++ b/Makefile
@@ -151,7 +151,7 @@ prepare-release: update-changelog tests/requirements-testing.lock
 
 # we use lock extension so that dependabot doesn't pick up changes in this file
 tests/requirements-testing.lock: pyproject.toml
-	uv export --dev --format requirements-txt --no-hashes --output-file $@
+	uv export --dev --format requirements-txt --no-hashes --no-emit-project --output-file $@
 
 .PHONY: update-changelog
 update-changelog: CHANGELOG.md