diff --git a/thumbor/requirements.txt b/thumbor/requirements.txt
index 699d30e8..9b14d39c 100644
--- a/thumbor/requirements.txt
+++ b/thumbor/requirements.txt
@@ -14,3 +14,4 @@ tc-aws==7.0.2
 tc-core==0.5
 thumbor==7.7.1
 thumbor-wand-engine==0.1.1
+pillow-avif-plugin==1.4.2