diff --git a/pkgs/development/python-modules/dtschema/default.nix b/pkgs/development/python-modules/dtschema/default.nix
index f2212d8c9c78..d6fcbccd3306 100644
--- a/pkgs/development/python-modules/dtschema/default.nix
+++ b/pkgs/development/python-modules/dtschema/default.nix
@@ -6,11 +6,12 @@
 , rfc3987
 , ruamel-yaml
 , setuptools-scm
+, libfdt
 }:
 
 buildPythonPackage rec {
   pname = "dtschema";
-  version = "2022.01";
+  version = "2022.12";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -19,9 +20,14 @@ buildPythonPackage rec {
     owner = "devicetree-org";
     repo = "dt-schema";
     rev = "refs/tags/v${version}";
-    hash = "sha256-wwlXIM/eO3dII/qQpkAGLT3/15rBLi7ZiNtqYFf7Li4=";
+    sha256 = "sha256-+wF6WdonZrkZEnlq/P6QeT3X7CMinxbapLa7q0t2zUc=";
   };
 
+  patches = [
+    # Change name of pylibfdt to libfdt
+    ./fix_libfdt_name.patch
+  ];
+
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
 
   nativeBuildInputs = [
@@ -32,6 +38,7 @@ buildPythonPackage rec {
     jsonschema
     rfc3987
     ruamel-yaml
+    libfdt
   ];
 
   # Module has no tests
diff --git a/pkgs/development/python-modules/dtschema/fix_libfdt_name.patch b/pkgs/development/python-modules/dtschema/fix_libfdt_name.patch
new file mode 100644
index 000000000000..eb1ec34a95d6
--- /dev/null
+++ b/pkgs/development/python-modules/dtschema/fix_libfdt_name.patch
@@ -0,0 +1,13 @@
+diff --git a/setup.py b/setup.py
+index 62db8af..4a980c1 100755
+--- a/setup.py
++++ b/setup.py
+@@ -52,7 +52,7 @@ setuptools.setup(
+         'ruamel.yaml>0.15.69',
+         'jsonschema>=4.1.2',
+         'rfc3987',
+-        'pylibfdt',
++        'libfdt',
+     ],
+ 
+     classifiers=[