diff --git a/pkgs/development/python-modules/pglive/default.nix b/pkgs/development/python-modules/pglive/default.nix
index 44bec1217873..73ac80cfce0a 100644
--- a/pkgs/development/python-modules/pglive/default.nix
+++ b/pkgs/development/python-modules/pglive/default.nix
@@ -33,6 +33,7 @@ buildPythonPackage rec {
 
   pythonRelaxDeps = [
     "numpy"
+    "pyqtgraph"
   ];
 
   passthru.optional-dependencies = {