diff --git a/pkgs/development/python-modules/pybind11/default.nix b/pkgs/development/python-modules/pybind11/default.nix
index 0ae0b26e12d..3bd88368e75 100644
--- a/pkgs/development/python-modules/pybind11/default.nix
+++ b/pkgs/development/python-modules/pybind11/default.nix
@@ -23,6 +23,14 @@ buildPythonPackage rec {
     sha256 = "1lsacpawl2gb5qlh0cawj9swsyfbwhzhwiv6553a7lsigdbadqpy";
   };
 
+  patches = [
+    # fix pybind11Config.cmake
+    (fetchpatch {
+      url = "https://github.com/pybind/pybind11/commit/d9c4e1047a95f023633a7260af5a633307438941.patch";
+      sha256 = "0kran295kj31xfs6mfha5ip132zd0pnj2dl36qzgyc1rpnha5gz4";
+    })
+  ];
+
   nativeBuildInputs = [ cmake ];
 
   buildInputs = [ catch ];
diff --git a/pkgs/development/python-modules/pytorch/default.nix b/pkgs/development/python-modules/pytorch/default.nix
index 59a8c74f709..8fae54c8466 100644
--- a/pkgs/development/python-modules/pytorch/default.nix
+++ b/pkgs/development/python-modules/pytorch/default.nix
@@ -6,7 +6,7 @@
   cudaArchList ? null,
 
   # Native build inputs
-  cmake, util-linux, linkFarm, symlinkJoin, which,
+  cmake, util-linux, linkFarm, symlinkJoin, which, pybind11,
 
   # Build inputs
   numactl,
@@ -216,6 +216,7 @@ in buildPythonPackage rec {
     util-linux
     which
     ninja
+    pybind11
   ] ++ lib.optionals cudaSupport [ cudatoolkit_joined ];
 
   buildInputs = [ blas blas.provider ]