diff --git a/.github/actions/setup-esgvoc/action.yml b/.github/actions/setup-esgvoc/action.yml
index 26d89b0..cf6e600 100644
--- a/.github/actions/setup-esgvoc/action.yml
+++ b/.github/actions/setup-esgvoc/action.yml
@@ -18,4 +18,17 @@ runs:
 
     - name: Install esgvoc
       shell: bash
-      run: uv pip install --system "esgvoc>=4.0.0" ${{ inputs.extra-packages }}
+      run: |
+        # Test with an esgvoc able to use the DB built from this CV: esgvoc.min_version of the manifest.
+        MIN_VERSION=$(python3 - <<'PYEOF'
+        import re
+        try:
+            text = open("esgvoc_manifest.yaml").read()
+        except FileNotFoundError:
+            text = ""
+        match = re.search(r"^esgvoc:[ \t]*\n(?:[ \t]+.*\n)*?[ \t]+min_version:[ \t]*[\"']?([0-9][^\"'\s]*)", text, re.M)
+        print(match.group(1) if match else "4.0.0")
+        PYEOF
+        )
+        echo "Installing esgvoc>=${MIN_VERSION} (esgvoc.min_version of esgvoc_manifest.yaml)"
+        uv pip install --system "esgvoc>=${MIN_VERSION}" ${{ inputs.extra-packages }}
diff --git a/catalog_specs.yaml b/catalog_specs.yaml
index 090dab4..5faca3c 100644
--- a/catalog_specs.yaml
+++ b/catalog_specs.yaml
@@ -1,6 +1,6 @@
 # STAC CATALOG SPECIFICATIONS
 
-version: v1.0.2
+version: v1.1.0
 
 catalog_properties:
   name: stac
@@ -11,7 +11,7 @@ catalog_properties:
     - name: alternate-assets
       version: v1.2.0
   regex_id: '^obs4REF(\.[A-Za-z0-9-]+){5}\.v[0-9]{8}$'
-  regex_base_id: '^obs4REF(\.[A-Za-z0-9-]+){5}$'
+  regex_title: '^obs4REF(\.[A-Za-z0-9-]+){5}$'
 
 dataset_properties:
   - source_collection: activity_id
@@ -99,12 +99,6 @@ dataset_properties:
     catalog_field_value_type: string
     is_required: true
 
-  - source_collection: variable_id
-    source_collection_key: units
-    catalog_field_name: variable_units
-    catalog_field_value_type: string
-    is_required: true
-
   - source_collection: variant_label
     catalog_field_value_type: string
     is_required: true
diff --git a/esgvoc_manifest.yaml b/esgvoc_manifest.yaml
index 3d256eb..892327f 100644
--- a/esgvoc_manifest.yaml
+++ b/esgvoc_manifest.yaml
@@ -5,6 +5,6 @@ project:
 cv_version: 1.0.0
 universe_version: 1.0.23
 esgvoc:
-  min_version: 4.1.0
+  min_version: 6.2.0
 release_notes: |
   Initial manifest.