1 files changed, 1 insertions, 0 deletions

diff --git a/setup.cfg b/setup.cfg
index 4c3b800..9623c38 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -36,6 +36,7 @@ install_requires =
     portalocker
     sympy
     packaging
+    platformdirs
 
 [options.packages.find]
 where = src