diff --git a/pkgs/development/python-modules/correctionlib/default.nix b/pkgs/development/python-modules/correctionlib/default.nix
index 957f5da7ed791..96ea87b952fd3 100644
--- a/pkgs/development/python-modules/correctionlib/default.nix
+++ b/pkgs/development/python-modules/correctionlib/default.nix
@@ -41,6 +41,10 @@ buildPythonPackage rec {
     hash = "sha256-aLTeyDOo80p8xzl/IPnpT3BOjS2qOYn/Z7pidcLoEY8=";
   };
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace-fail "-Wall -Wextra -Wpedantic -Werror" ""
+  '';
+
   build-system = [
     pybind11
     scikit-build-core