diff --git a/pkgs/development/python-modules/pygdbmi/default.nix b/pkgs/development/python-modules/pygdbmi/default.nix
index 2c4691f00d08..d1b5b31ed951 100644
--- a/pkgs/development/python-modules/pygdbmi/default.nix
+++ b/pkgs/development/python-modules/pygdbmi/default.nix
@@ -3,6 +3,7 @@
 , buildPythonPackage
 , fetchFromGitHub
 , gdb
+, pytest
 }:
 
 buildPythonPackage rec {
@@ -16,7 +17,7 @@ buildPythonPackage rec {
     hash = "sha256-JqEDN8Pg/JttyYQbwkxKkLYuxVnvV45VlClD23eaYyc=";
   };
 
-  nativeCheckInputs = [ gdb ];
+  nativeCheckInputs = [ gdb pytest ];
 
   # tests require gcc for some reason
   doCheck = !stdenv.hostPlatform.isDarwin;