diff --git a/pkgs/by-name/pr/printrun/package.nix b/pkgs/by-name/pr/printrun/package.nix
index 088dc789b092..57aad66a6c23 100644
--- a/pkgs/by-name/pr/printrun/package.nix
+++ b/pkgs/by-name/pr/printrun/package.nix
@@ -18,12 +18,14 @@ python3Packages.buildPythonApplication rec {
   };
 
   postPatch = ''
-    substituteInPlace requirements.txt \
-      --replace "pyglet >= 1.1, < 2.0" "pyglet" \
-      --replace "cairosvg >= 1.0.9, < 2.6.0" "cairosvg"
     sed -i -r "s|/usr(/local)?/share/|$out/share/|g" printrun/utils.py
   '';
 
+  pythonRelaxDeps = [
+    "pyglet"
+    "cairosvg"
+  ];
+
   nativeBuildInputs = [
     glib
     wrapGAppsHook3