diff --git a/run_af2/pyproject.toml b/run_af2/pyproject.toml
index 3dfc0d43b289cf5f59fc3bc74f7e2605a34b0839..fd517b036813261292dbe91c582dcc0b08071d88 100644
--- a/run_af2/pyproject.toml
+++ b/run_af2/pyproject.toml
@@ -21,6 +21,6 @@ write_to = "src/run_af2/version.py"
 requires = [
     "setuptools>=56",
     "wheel",
-    "setuptools_scm>=6.0"
+    "setuptools_scm==6.4.2"
 ]
 build-backend = "setuptools.build_meta"