diff --git a/poetry.lock b/poetry.lock
index 923babf7..6ddcd5b8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -198,7 +198,7 @@ marshmallow = "^3.3.0"
 webargs = "^5.5.2"
 
 [package.source]
-reference = "cb1ef6a1f8849f4d58601a7a9617ffea12703f39"
+reference = "916cc21d120cf4fc7064999082b40bedfec9b3ed"
 type = "git"
 url = "https://github.com/labthings/python-labthings.git"
 [[package]]