diff --git a/pkgs/development/python-modules/boltztrap2/default.nix b/pkgs/development/python-modules/boltztrap2/default.nix
index 6ce0e46680ee..791596ce4a34 100644
--- a/pkgs/development/python-modules/boltztrap2/default.nix
+++ b/pkgs/development/python-modules/boltztrap2/default.nix
@@ -35,6 +35,8 @@ buildPythonPackage rec {
   };
 
   postPatch = ''
+    substituteInPlace external/spglib-1.9.9/CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.4)" "cmake_minimum_required(VERSION 3.10)"
     substituteInPlace pyproject.toml \
       --replace-fail "numpy>=2.0.0" "numpy"
   '';