diff --git a/pkgs/development/python-modules/fastmri/default.nix b/pkgs/development/python-modules/fastmri/default.nix
index 57399a6146f2..e2e7405041e0 100644
--- a/pkgs/development/python-modules/fastmri/default.nix
+++ b/pkgs/development/python-modules/fastmri/default.nix
@@ -22,6 +22,7 @@
 
   # tests
   pytestCheckHook,
+  requests,
 }:
 
 buildPythonPackage (finalAttrs: {
@@ -66,7 +67,10 @@ buildPythonPackage (finalAttrs: {
     pandas
   ];
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytestCheckHook
+    requests
+  ];
 
   disabledTests = lib.optionals (pythonAtLeast "3.14") [
     # AttributeError: '...' object has no attribute '__annotations__'.