diff --git a/requirements.txt b/requirements.txt
index 29a4ac062..47727594d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ unicodedata2==13.0.0.post2; python_version < '3.9' and platform_python_implement
 scipy==1.7.1; platform_python_implementation != "PyPy"
 munkres==1.1.4; platform_python_implementation == "PyPy"
 zopfli==0.1.8
-fs==2.4.11
+fs==2.4.13
 skia-pathops==0.5.1.post1; platform_python_implementation != "PyPy"
 # this is only required to run Tests/cu2qu/{ufo,cli}_test.py
 ufoLib2==0.6.2