diff --git a/requirements.txt b/requirements.txt
index 31c3b05a..d82dd202 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ requests==2.27.1
 monty==2021.12.1
 emmet-core==0.20.3
 ratelimit==2.2.1
-mpcontribs-client>=3.14.3
+mpcontribs-client>=4.2.2