diff --git a/sticker/requirements.txt b/sticker/requirements.txt
index 378abc8..44f6a7d 100644
--- a/sticker/requirements.txt
+++ b/sticker/requirements.txt
@@ -1,4 +1,4 @@
-lxml == 3.5.0
+lxml == 4.9.1
 requests == 2.9.1
 urllib3 == 1.13.1
 Pillow == 3.3.1