diff --git a/.github/workflows/validate-pr.yml b/.github/workflows/validate-pr.yml
index a66deb73eb..57ede75691 100644
--- a/.github/workflows/validate-pr.yml
+++ b/.github/workflows/validate-pr.yml
@@ -18,7 +18,7 @@ jobs:
     if: github.repository_owner == 'elastic' # this action will fail if executed from a fork
     runs-on: ubuntu-latest
     env:
-      STACK_VERSION: 8.10-SNAPSHOT
+      STACK_VERSION: 8.13-SNAPSHOT
 
     steps:
       - uses: actions/checkout@v2
diff --git a/output/schema/schema.json b/output/schema/schema.json
index 1303d3db2d..1cc9c55053 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -110788,7 +110788,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L38-L110"
+      "specLocation": "indices/_types/DataStream.ts#L41-L113"
     },
     {
       "kind": "interface",
@@ -110858,7 +110858,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L119-L140"
+      "specLocation": "indices/_types/DataStream.ts#L122-L143"
     },
     {
       "description": "Data lifecycle denotes that a data stream is managed by the data stream lifecycle and contains the configuration.",
@@ -111105,7 +111105,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L112-L117"
+      "specLocation": "indices/_types/DataStream.ts#L115-L120"
     },
     {
       "kind": "interface",
@@ -111126,7 +111126,7 @@
           }
         }
       ],
-      "specLocation": "indices/_types/DataStream.ts#L142-L144"
+      "specLocation": "indices/_types/DataStream.ts#L145-L147"
     },
     {
       "kind": "interface",
@@ -113244,12 +113244,15 @@
       "kind": "enum",
       "members": [
         {
+          "codegenName": "ilm",
           "name": "Index Lifecycle Management"
         },
         {
+          "codegenName": "datastream",
           "name": "Data stream lifecycle"
         },
         {
+          "codegenName": "unmanaged",
           "name": "Unmanaged"
         }
       ],
@@ -113257,7 +113260,7 @@
         "name": "ManagedBy",
         "namespace": "indices._types"
       },
-      "specLocation": "indices/_types/DataStream.ts#L32-L36"
+      "specLocation": "indices/_types/DataStream.ts#L32-L39"
     },
     {
       "description": "Mapping Limit Settings",
diff --git a/specification/indices/_types/DataStream.ts b/specification/indices/_types/DataStream.ts
index aeb9b20fbe..d8f2514853 100644
--- a/specification/indices/_types/DataStream.ts
+++ b/specification/indices/_types/DataStream.ts
@@ -30,8 +30,11 @@ import { integer } from '@_types/Numeric'
 import { DataStreamLifecycleWithRollover } from '@indices/_types/DataStreamLifecycle'
 
 enum ManagedBy {
+  /** @codegen_name ilm */
   'Index Lifecycle Management',
+  /** @codegen_name datastream */
   'Data stream lifecycle',
+  /** @codegen_name unmanaged */
   'Unmanaged'
 }