diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 047b79ec..22cadeb3 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -26,4 +26,4 @@ jobs:
       run: pip install nomenclature-iamc>=0.12.0
 
     - name: Run the nomenclature project validation
-      run: nomenclature validate-project . --dimensions "['region', 'scenario', 'variable']"
+      run: nomenclature validate-project . --dimension region --dimension scenario --dimension variable
diff --git a/setup.cfg b/setup.cfg
index 7ae33600..a2a4bb5e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,7 +13,7 @@ packages = openentrance
 install_requires =
     setuptools >= 41
     pyyaml
-    nomenclature-iamc >= 0.12.0
+    nomenclature-iamc >= 0.16.0
     iam-units >= 2021.11.12
 setup_requires =
     setuptools >= 41