diff --git a/packages/objectstore/setup.cfg b/packages/objectstore/setup.cfg
index 69fc1352966c..f158f87b903d 100644
--- a/packages/objectstore/setup.cfg
+++ b/packages/objectstore/setup.cfg
@@ -35,6 +35,7 @@ install_requires =
     galaxy-util
     pydantic<2
     PyYAML
+    Jinja2
 packages = find:
 python_requires = >=3.7
 
diff --git a/pyproject.toml b/pyproject.toml
index ed8f9cb93a85..a245286bfa72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,6 +71,7 @@ h5py = "*"
 importlib-metadata = "<5"  # Work around https://github.com/celery/kombu/issues/1600
 importlib-resources = "*"
 isa-rwval = ">=0.10.10"
+Jinja2 = "*"
 kombu = "*"
 lagom = "*"
 Mako = "*"