diff --git a/setup.cfg b/setup.cfg
index 4efebe3..99a0831 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -62,13 +62,14 @@ dev =
     nbsphinx
     networkx
     xdoctest
-    camelot-py[base] >= 0.11.0
     tox
     unfccc_di_api >= 3.0.1
     openscm-units
     pycountry
     lxml
     tqdm
+ipcc =
+    camelot-py[base] >= 0.11.0
 
 [options.package_data]
 * =