diff --git a/Packs/CommonTypes/IncidentFields/incidentfield-External_Last_Updated_Time.json b/Packs/CommonTypes/IncidentFields/incidentfield-External_Last_Updated_Time.json
new file mode 100644
index 000000000000..4b7249ed9c8b
--- /dev/null
+++ b/Packs/CommonTypes/IncidentFields/incidentfield-External_Last_Updated_Time.json
@@ -0,0 +1,28 @@
+{
+    "id": "incident_externallastupdatedtime",
+    "version": -1,
+    "modified": "2024-07-01T18:11:20.250915274Z",
+    "name": "External Last Updated Time",
+    "ownerOnly": false,
+    "cliName": "externallastupdatedtime",
+    "type": "date",
+    "closeForm": false,
+    "editForm": true,
+    "required": false,
+    "neverSetAsRequired": false,
+    "isReadOnly": false,
+    "useAsKpi": false,
+    "locked": false,
+    "system": false,
+    "content": true,
+    "group": 0,
+    "hidden": false,
+    "openEnded": false,
+    "associatedToAll": true,
+    "unmapped": false,
+    "unsearchable": true,
+    "caseInsensitive": true,
+    "sla": 0,
+    "threshold": 72,
+    "fromVersion": "6.0.0"
+}
\ No newline at end of file
diff --git a/Packs/CommonTypes/ReleaseNotes/3_5_6.md b/Packs/CommonTypes/ReleaseNotes/3_5_6.md
new file mode 100644
index 000000000000..ac62d58899a3
--- /dev/null
+++ b/Packs/CommonTypes/ReleaseNotes/3_5_6.md
@@ -0,0 +1,7 @@
+
+#### Incident Fields
+
+##### New: External Last Updated Time
+
+- New: External Last Updated Time.
+
diff --git a/Packs/CommonTypes/pack_metadata.json b/Packs/CommonTypes/pack_metadata.json
index a356f1f32352..80ad56a0773b 100644
--- a/Packs/CommonTypes/pack_metadata.json
+++ b/Packs/CommonTypes/pack_metadata.json
@@ -2,7 +2,7 @@
     "name": "Common Types",
     "description": "This Content Pack will get you up and running in no-time and provide you with the most commonly used incident & indicator fields and types.",
     "support": "xsoar",
-    "currentVersion": "3.5.5",
+    "currentVersion": "3.5.6",
     "author": "Cortex XSOAR",
     "url": "https://www.paloaltonetworks.com/cortex",
     "email": "",