diff --git a/requirements.txt b/requirements.txt
index d1f51a9..8a7b7e1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-fontTools==4.5.0
\ No newline at end of file
+fontTools==4.6.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 6ae392c..155464a 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 AUTHOR = "Source Foundry Authors and Contributors"
 REQUIRES_PYTHON = ">=3.6.0"
 
-INSTALL_REQUIRES = ["fontTools==4.5.0",
+INSTALL_REQUIRES = ["fontTools==4.6.0",
                     ]
 # Optional packages
 EXTRAS_REQUIRES = {