diff --git a/requirements.txt b/requirements.txt
index 3c7b5bc..c69ce99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,5 +21,5 @@ pyparsing==2.4.7
     # via packaging
 pytest==8.3.2
     # via -r requirements.in
-quantities==0.15.0
+quantities==0.16.0
     # via -r requirements.in