diff --git a/requirements.txt b/requirements.txt
index 5b6368986..ee665b6e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ scipy==1.3.0; platform_python_implementation != "PyPy" and python_version >= '3.
 munkres==1.0.12; platform_python_implementation == "PyPy" and python_version < '3.5'  # pyup: ignore
 munkres==1.1.2; platform_python_implementation == "PyPy" and python_version >= '3.5'
 zopfli==0.1.6
-fs==2.4.8
+fs==2.4.9
 # lxml 4.4.0 breaks OrderedDict attributes in python < 3.6 so we pin to previous version
 # https://bugs.launchpad.net/lxml/+bug/1838252
 lxml==4.3.5; python_version < '3.6'  # pyup: ignore