diff --git a/setup.cfg b/setup.cfg
index 24b6fc5..c322307 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,9 +15,6 @@ classifiers =
     Natural Language :: English
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: Implementation :: CPython
 project_urls =
     Tracker = https://github.com/ianhi/mpl-image-labeller/issues