diff --git a/pkgs/by-name/bo/boxflat/package.nix b/pkgs/by-name/bo/boxflat/package.nix
index b42156eab9e9..71c1242a8807 100644
--- a/pkgs/by-name/bo/boxflat/package.nix
+++ b/pkgs/by-name/bo/boxflat/package.nix
@@ -48,7 +48,8 @@ python3Packages.buildPythonPackage rec {
   postPatch = ''
     substituteInPlace requirements.txt \
         --replace-fail "psutil==6.1.0" "psutil" \
-        --replace-fail "evdev==1.7.1" "evdev"
+        --replace-fail "evdev==1.7.1" "evdev" \
+        --replace-fail "pycairo==1.27.0" "pycairo"
   '';
 
   preBuild = ''