diff --git a/invenio_communities/members/records/mappings/os-v1/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json b/invenio_communities/members/records/mappings/os-v1/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/os-v1/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/os-v1/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {
diff --git a/invenio_communities/members/records/mappings/os-v1/communitymembers/members/member-v1.0.0.json b/invenio_communities/members/records/mappings/os-v1/communitymembers/members/member-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/os-v1/communitymembers/members/member-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/os-v1/communitymembers/members/member-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {
diff --git a/invenio_communities/members/records/mappings/os-v2/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json b/invenio_communities/members/records/mappings/os-v2/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/os-v2/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/os-v2/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {
diff --git a/invenio_communities/members/records/mappings/os-v2/communitymembers/members/member-v1.0.0.json b/invenio_communities/members/records/mappings/os-v2/communitymembers/members/member-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/os-v2/communitymembers/members/member-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/os-v2/communitymembers/members/member-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {
diff --git a/invenio_communities/members/records/mappings/v7/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json b/invenio_communities/members/records/mappings/v7/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/v7/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/v7/communitymembers/archivedinvitations/archivedinvitation-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {
diff --git a/invenio_communities/members/records/mappings/v7/communitymembers/members/member-v1.0.0.json b/invenio_communities/members/records/mappings/v7/communitymembers/members/member-v1.0.0.json
index d351e4bba..b87810e14 100644
--- a/invenio_communities/members/records/mappings/v7/communitymembers/members/member-v1.0.0.json
+++ b/invenio_communities/members/records/mappings/v7/communitymembers/members/member-v1.0.0.json
@@ -62,7 +62,8 @@
               "affiliations": {
                 "type": "text"
               }
-            }
+            },
+            "dynamic": true
           },
           "preferences": {
             "properties": {