diff --git a/lists/empty-hashes/list.json b/lists/empty-hashes/list.json
index ca77683..9ac9a4f 100644
--- a/lists/empty-hashes/list.json
+++ b/lists/empty-hashes/list.json
@@ -1,5 +1,6 @@
 {
   "name": "List of known hashes for empty files",
+  "version": 1,
   "description": "Event contains one or more entries of empty files based on known hashed",
   "matching_attributes": [ ],
   "list": [
diff --git a/lists/public-dns/list.json b/lists/public-dns/list.json
index 70f1229..61eeb3c 100644
--- a/lists/public-dns/list.json
+++ b/lists/public-dns/list.json
@@ -1,5 +1,6 @@
 {
   "name": "List of known public DNS resolvers",
+  "version": 1,
   "description": "Event contains one or more public DNS resolvers as attribute with an IDS flag set",
   "matching_attributes": [
     "ip-src",
diff --git a/lists/rfc1918/list.json b/lists/rfc1918/list.json
index 27675d2..ab626ab 100644
--- a/lists/rfc1918/list.json
+++ b/lists/rfc1918/list.json
@@ -12,5 +12,6 @@
     "ip-dst"
   ],
   "description": "Event contains one or more entries part of the RFC 1918 CIDR blocks",
+  "version": 1,
   "name": "List of RFC 1918 CIDR blocks"
 }
diff --git a/lists/tlds/list.json b/lists/tlds/list.json
index 15bdac6..39b3c99 100644
--- a/lists/tlds/list.json
+++ b/lists/tlds/list.json
@@ -1296,5 +1296,6 @@
     "domain"
   ],
   "description": "Event contains one or more TLDs as attribute with an IDS flag set",
+  "version": 1,
   "name": "TLDs as known by IANA"
 }