diff --git a/tools/ci/requirements_build.txt b/tools/ci/requirements_build.txt
index 376102dc3e6755..2fd6b9bf60f7b4 100644
--- a/tools/ci/requirements_build.txt
+++ b/tools/ci/requirements_build.txt
@@ -1,4 +1,4 @@
 cairocffi==1.3.0
-fonttools==3.13.1
+fonttools==4.38.0
 pyyaml
 genshi