diff --git a/pyproject.toml b/pyproject.toml
index 9461b7a46..25a3e0050 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
   'importlib-metadata~=6.0',
   'numpy~=1.21',
   'paramiko~=3.0',
-  'plumpy~=0.22.3',
+  'plumpy',
   'pgsu~=0.3.0',
   'psutil~=5.6',
   'psycopg[binary]~=3.0',
@@ -57,6 +57,10 @@ name = 'aiida-core'
 readme = 'README.md'
 requires-python = '>=3.9'
 
+# FIXME: remove before merge
+[tool.uv.sources]
+plumpy = {git = "https://github.com/unkcpz/plumpy", rev = "560098c2b55a312b60884a0b8dfac97f6e8139d8"}
+
 [project.entry-points.'aiida.brokers']
 'core.rabbitmq' = 'aiida.brokers.rabbitmq.broker:RabbitmqBroker'