diff --git a/tests/data/config/general-config-only/nomenclature.yaml b/tests/data/config/general-config-only/nomenclature.yaml
index eb390c76..e9f09c33 100644
--- a/tests/data/config/general-config-only/nomenclature.yaml
+++ b/tests/data/config/general-config-only/nomenclature.yaml
@@ -1,6 +1,7 @@
 repositories:
   common-definitions:
     url: https://github.com/IAMconsortium/common-definitions.git/
+    hash: cb85704
 definitions:
   region:
     repository: common-definitions
diff --git a/tests/data/config/general-config/nomenclature.yaml b/tests/data/config/general-config/nomenclature.yaml
index fe35a156..b6b95718 100644
--- a/tests/data/config/general-config/nomenclature.yaml
+++ b/tests/data/config/general-config/nomenclature.yaml
@@ -2,6 +2,7 @@ dimensions: [region, variable]
 repositories:
   common-definitions:
     url: https://github.com/IAMconsortium/common-definitions.git/
+    hash: cb85704
 definitions:
   region:
     repository: common-definitions
diff --git a/tests/data/region_processing/external_repo_test/nomenclature.yaml b/tests/data/region_processing/external_repo_test/nomenclature.yaml
index 6c6b2c53..5cf53bf9 100644
--- a/tests/data/region_processing/external_repo_test/nomenclature.yaml
+++ b/tests/data/region_processing/external_repo_test/nomenclature.yaml
@@ -1,6 +1,7 @@
 repositories:
   common-definitions:
     url: https://github.com/IAMconsortium/common-definitions.git/
+    hash: cb85704
 definitions:
   region:
     repository: common-definitions