diff --git a/schemas/2022-10-01-preview/Microsoft.ContainerInstance.json b/schemas/2022-10-01-preview/Microsoft.ContainerInstance.json
index 30c83ecf21..1a3bd3d3f0 100644
--- a/schemas/2022-10-01-preview/Microsoft.ContainerInstance.json
+++ b/schemas/2022-10-01-preview/Microsoft.ContainerInstance.json
@@ -713,6 +713,17 @@
           ],
           "description": "The resource requirements."
         },
+        "securityContext": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SecurityContextDefinition"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The security context for the container."
+        },
         "volumeMounts": {
           "oneOf": [
             {
@@ -1026,6 +1037,17 @@
           "type": "string",
           "description": "The image of the init container."
         },
+        "securityContext": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SecurityContextDefinition"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The security context for the container."
+        },
         "volumeMounts": {
           "oneOf": [
             {
@@ -1308,6 +1330,105 @@
       ],
       "description": "The resource requirements."
     },
+    "SecurityContextCapabilitiesDefinition": {
+      "type": "object",
+      "properties": {
+        "add": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to add to the container."
+        },
+        "drop": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to drop from the container."
+        }
+      },
+      "description": "The capabilities to add or drop from a container."
+    },
+    "SecurityContextDefinition": {
+      "type": "object",
+      "properties": {
+        "allowPrivilegeEscalation": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "A boolean value indicating whether the init process can elevate its privileges"
+        },
+        "capabilities": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SecurityContextCapabilitiesDefinition"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to add or drop from a container."
+        },
+        "privileged": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The flag to determine if the container permissions is elevated to Privileged."
+        },
+        "runAsGroup": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Sets the User GID for the container."
+        },
+        "runAsUser": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Sets the User UID for the container."
+        },
+        "seccompProfile": {
+          "type": "string",
+          "description": "a base64 encoded string containing the contents of the JSON in the seccomp profile"
+        }
+      },
+      "description": "The security context for the container."
+    },
     "UserAssignedIdentities": {
       "type": "object",
       "properties": {},
diff --git a/schemas/2023-02-01-preview/Microsoft.ContainerInstance.json b/schemas/2023-02-01-preview/Microsoft.ContainerInstance.json
index b15973b97a..8985f6e04f 100644
--- a/schemas/2023-02-01-preview/Microsoft.ContainerInstance.json
+++ b/schemas/2023-02-01-preview/Microsoft.ContainerInstance.json
@@ -687,6 +687,17 @@
           ],
           "description": "The resource requirements."
         },
+        "securityContext": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SecurityContextDefinition"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The security context for the container."
+        },
         "volumeMounts": {
           "oneOf": [
             {
@@ -1282,6 +1293,105 @@
       ],
       "description": "The resource requirements."
     },
+    "SecurityContextCapabilitiesDefinition": {
+      "type": "object",
+      "properties": {
+        "add": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to add to the container."
+        },
+        "drop": {
+          "oneOf": [
+            {
+              "type": "array",
+              "items": {
+                "type": "string"
+              }
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to drop from the container."
+        }
+      },
+      "description": "The capabilities to add or drop from a container."
+    },
+    "SecurityContextDefinition": {
+      "type": "object",
+      "properties": {
+        "allowPrivilegeEscalation": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "A boolean value indicating whether the init process can elevate its privileges"
+        },
+        "capabilities": {
+          "oneOf": [
+            {
+              "$ref": "#/definitions/SecurityContextCapabilitiesDefinition"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The capabilities to add or drop from a container."
+        },
+        "privileged": {
+          "oneOf": [
+            {
+              "type": "boolean"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "The flag to determine if the container permissions is elevated to Privileged."
+        },
+        "runAsGroup": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Sets the User GID for the container."
+        },
+        "runAsUser": {
+          "oneOf": [
+            {
+              "type": "integer"
+            },
+            {
+              "$ref": "https://schema.management.azure.com/schemas/common/definitions.json#/definitions/expression"
+            }
+          ],
+          "description": "Sets the User UID for the container."
+        },
+        "seccompProfile": {
+          "type": "string",
+          "description": "a base64 encoded string containing the contents of the JSON in the seccomp profile"
+        }
+      },
+      "description": "The security context for the container."
+    },
     "UserAssignedIdentities": {
       "type": "object",
       "properties": {},