diff --git a/2024.2/amplicon/passed/seed-environment-conda.yml b/2024.2/amplicon/passed/seed-environment-conda.yml
index 9cd0145b..0d28702a 100644
--- a/2024.2/amplicon/passed/seed-environment-conda.yml
+++ b/2024.2/amplicon/passed/seed-environment-conda.yml
@@ -13,6 +13,7 @@ dependencies:
 - pandas=1.5.3
 - parsl=2023.12.04
 - patsy=0.5.3
+- pillow=9.4.0
 - python=3.8
 - q2-alignment=2023.11.0.dev0+2.ga0e44f7
 - q2-composition=2023.11.0.dev0+2.g89c2a1c