diff --git a/pkgs/development/python-modules/deid/default.nix b/pkgs/development/python-modules/deid/default.nix
index 6c5146313881..6927d656a9f2 100644
--- a/pkgs/development/python-modules/deid/default.nix
+++ b/pkgs/development/python-modules/deid/default.nix
@@ -36,7 +36,7 @@ let
 in
 buildPythonPackage rec {
   pname = "deid";
-  version = "0.3.21";
+  version = "0.3.22";
 
   format = "pyproject";
   disabled = pythonOlder "3.7";
@@ -46,8 +46,8 @@ buildPythonPackage rec {
     owner = "pydicom";
     repo = pname;
     # the github repo does not contain Pypi version tags:
-    rev = "38717b8cbfd69566ba489dd0c9858bb93101e26d";
-    hash = "sha256-QqofxNjshbNfu8vZ37rB6pxj5R8q0wlUhJRhrpkKySk=";
+    rev = "40dc96125daeb65856d643e12c3d6dfec756be0d";
+    hash = "sha256-OtxQPF29eqt8I1Q12ga8a1IjBVO+VBk6y0DQmRtCNoU=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/pydicom/default.nix b/pkgs/development/python-modules/pydicom/default.nix
index 34a802a25692..a2100c83c8df 100644
--- a/pkgs/development/python-modules/pydicom/default.nix
+++ b/pkgs/development/python-modules/pydicom/default.nix
@@ -11,13 +11,13 @@
 
 let
   pname = "pydicom";
-  version = "2.3.1";
+  version = "2.4.2";
 
   src = fetchFromGitHub {
     owner = "pydicom";
     repo = "pydicom";
     rev = "refs/tags/v${version}";
-    hash = "sha256-xt0aK908lLgNlpcI86OSxy96Z/PZnQh7+GXzJ0VMQGA=";
+    hash = "sha256-FNZVu2/7kBGeP4iTH53bsApfHzHFxr5bxqbqkI4T95E=";
   };
 
   # Pydicom needs pydicom-data to run some tests. If these files aren't downloaded
@@ -25,8 +25,8 @@ let
   test_data = fetchFromGitHub {
     owner = "pydicom";
     repo = "pydicom-data";
-    rev = "bbb723879690bb77e077a6d57657930998e92bd5";
-    hash = "sha256-dCI1temvpNWiWJYVfQZKy/YJ4ad5B0e9hEKHJnEeqzk=";
+    rev = "cbb9b2148bccf0f550e3758c07aca3d0e328e768";
+    hash = "sha256-nF/j7pfcEpWHjjsqqTtIkW8hCEbuQ3J4IxpRk0qc1CQ=";
   };
 
 in