diff --git a/setup.cfg b/setup.cfg
index 52f0748..c2ff94b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,7 +11,7 @@ packages = find:
 # pytypes doesn't work with Python >= 3.10 - would be interesting to see what alternatives there are
 python_requires= >=3.8, <3.10
 install_requires =
-    typeguard == 4.1.5
+    typeguard == 4.2.1
     pytypes == 1.0b10
 
 [options.extras_require]