diff --git a/x-pack/plugins/fleet/common/services/simplified_package_policy_helper.test.ts b/x-pack/plugins/fleet/common/services/simplified_package_policy_helper.test.ts
index 5bdc40d6acd75..e60da12d924cc 100644
--- a/x-pack/plugins/fleet/common/services/simplified_package_policy_helper.test.ts
+++ b/x-pack/plugins/fleet/common/services/simplified_package_policy_helper.test.ts
@@ -131,7 +131,7 @@ describe('toPackagePolicy', () => {
               data_stream: 'logs-nginx.access',
               features: {
                 synthetic_source: true,
-                TSDB: false,
+                tsdb: false,
               },
             },
           ],
@@ -143,7 +143,7 @@ describe('toPackagePolicy', () => {
           data_stream: 'logs-nginx.access',
           features: {
             synthetic_source: true,
-            TSDB: false,
+            tsdb: false,
           },
         },
       ]);
diff --git a/x-pack/plugins/fleet/common/types/models/epm.ts b/x-pack/plugins/fleet/common/types/models/epm.ts
index 821526a6b8ce6..ca7cc3200da4b 100644
--- a/x-pack/plugins/fleet/common/types/models/epm.ts
+++ b/x-pack/plugins/fleet/common/types/models/epm.ts
@@ -445,7 +445,7 @@ export type PackageInfo =
   | Installable<Merge<ArchivePackage, EpmPackageAdditions>>;
 
 // TODO - Expand this with other experimental indexing types
-export type ExperimentalIndexingFeature = 'synthetic_source' | 'TSDB';
+export type ExperimentalIndexingFeature = 'synthetic_source' | 'tsdb';
 
 export interface ExperimentalDataStreamFeature {
   data_stream: string;
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_panel.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_panel.tsx
index 8f15277d02e44..7bcda09d08d8f 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_panel.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_panel.tsx
@@ -143,14 +143,14 @@ export const PackagePolicyInputPanel: React.FunctionComponent<{
           (feat) => feat.data_stream === dsName
         );
         if (match) {
-          if (!match.features.TSDB) {
-            match.features.TSDB = true;
+          if (!match.features.tsdb) {
+            match.features.tsdb = true;
             isUpdated = true;
           }
         } else {
           packagePolicy.package!.experimental_data_stream_features.push({
             data_stream: dsName,
-            features: { TSDB: true, synthetic_source: false },
+            features: { tsdb: true, synthetic_source: false },
           });
           isUpdated = true;
         }
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_stream.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_stream.tsx
index 4039d3b5c172c..2e5f98c8359e7 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_stream.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/create_package_policy_page/components/steps/components/package_policy_input_stream.tsx
@@ -137,7 +137,7 @@ export const PackagePolicyInputStreamConfig = memo<Props>(
 
     const newExperimentalIndexingFeature = {
       synthetic_source: isFeatureEnabled('synthetic_source'),
-      TSDB: isFeatureEnabled('TSDB'),
+      tsdb: isFeatureEnabled('tsdb'),
     };
 
     const onIndexingSettingChange = (
@@ -392,8 +392,8 @@ export const PackagePolicyInputStreamConfig = memo<Props>(
                             }
                           >
                             <EuiSwitch
-                              disabled={isFeatureEnabled('TSDB')}
-                              checked={isFeatureEnabled('TSDB')}
+                              disabled={isFeatureEnabled('tsdb')}
+                              checked={isFeatureEnabled('tsdb')}
                               label={
                                 <FormattedMessage
                                   id="xpack.fleet.createPackagePolicy.experimentalFeatures.TSDBLabel"
@@ -402,7 +402,7 @@ export const PackagePolicyInputStreamConfig = memo<Props>(
                               }
                               onChange={(e) => {
                                 onIndexingSettingChange({
-                                  TSDB: e.target.checked,
+                                  tsdb: e.target.checked,
                                 });
                               }}
                             />
diff --git a/x-pack/plugins/fleet/server/saved_objects/index.ts b/x-pack/plugins/fleet/server/saved_objects/index.ts
index 685c6b34b8ddf..f2ee5b034bf95 100644
--- a/x-pack/plugins/fleet/server/saved_objects/index.ts
+++ b/x-pack/plugins/fleet/server/saved_objects/index.ts
@@ -284,7 +284,7 @@ const getSavedObjectTypes = (
               type: 'nested',
               properties: {
                 synthetic_source: { type: 'boolean' },
-                TSDB: { type: 'boolean' },
+                tsdb: { type: 'boolean' },
               },
             },
           },
diff --git a/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.test.ts b/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.test.ts
index a7ffce1be10c7..3eaa10af56c0c 100644
--- a/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.test.ts
+++ b/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.test.ts
@@ -35,7 +35,7 @@ function getNewTestPackagePolicy({
           data_stream: 'metrics-test.test',
           features: {
             synthetic_source: isSyntheticSourceEnabled,
-            TSDB: isTSDBEnabled,
+            tsdb: isTSDBEnabled,
           },
         },
       ],
@@ -69,7 +69,7 @@ function getExistingTestPackagePolicy({
           data_stream: 'metrics-test.test',
           features: {
             synthetic_source: isSyntheticSourceEnabled,
-            TSDB: isTSDBEnabled,
+            tsdb: isTSDBEnabled,
           },
         },
       ],
@@ -106,7 +106,7 @@ describe('experimental_datastream_features', () => {
           experimental_data_stream_features: [
             {
               data_stream: 'metrics-test.test',
-              features: { synthetic_source: false, TSDB: false },
+              features: { synthetic_source: false, tsdb: false },
             },
           ],
         },
@@ -162,7 +162,7 @@ describe('experimental_datastream_features', () => {
             experimental_data_stream_features: [
               {
                 data_stream: 'metrics-test.test',
-                features: { synthetic_source: true, TSDB: false },
+                features: { synthetic_source: true, tsdb: false },
               },
             ],
           },
@@ -190,7 +190,7 @@ describe('experimental_datastream_features', () => {
             experimental_data_stream_features: [
               {
                 data_stream: 'metrics-test.test',
-                features: { synthetic_source: false, TSDB: false },
+                features: { synthetic_source: false, tsdb: false },
               },
             ],
           },
diff --git a/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.ts b/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.ts
index abd84179b40fd..8914da429e463 100644
--- a/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.ts
+++ b/x-pack/plugins/fleet/server/services/package_policies/experimental_datastream_features.ts
@@ -44,7 +44,7 @@ export async function handleExperimentalDatastreamFeatureOptIn({
 
     const isOptInChanged =
       existingOptIn?.features.synthetic_source !== featureMapEntry.features.synthetic_source ||
-      existingOptIn?.features.TSDB !== featureMapEntry.features.TSDB;
+      existingOptIn?.features.tsdb !== featureMapEntry.features.tsdb;
 
     // If the feature opt-in status in unchanged, we don't need to update any component templates
     if (!isOptInChanged) {
@@ -76,7 +76,7 @@ export async function handleExperimentalDatastreamFeatureOptIn({
       body,
     });
 
-    if (featureMapEntry.features.TSDB) {
+    if (featureMapEntry.features.tsdb) {
       const indexTemplateRes = await esClient.indices.getIndexTemplate({
         name: featureMapEntry.data_stream,
       });
diff --git a/x-pack/plugins/fleet/server/types/models/package_policy.ts b/x-pack/plugins/fleet/server/types/models/package_policy.ts
index 0ebb03a0ebd05..64837501b941b 100644
--- a/x-pack/plugins/fleet/server/types/models/package_policy.ts
+++ b/x-pack/plugins/fleet/server/types/models/package_policy.ts
@@ -84,7 +84,7 @@ const ExperimentalDataStreamFeatures = schema.arrayOf(
     data_stream: schema.string(),
     features: schema.object({
       synthetic_source: schema.boolean(),
-      TSDB: schema.boolean(),
+      tsdb: schema.boolean(),
     }),
   })
 );
@@ -129,7 +129,7 @@ const CreatePackagePolicyProps = {
         schema.arrayOf(
           schema.object({
             data_stream: schema.string(),
-            features: schema.object({ synthetic_source: schema.boolean(), TSDB: schema.boolean() }),
+            features: schema.object({ synthetic_source: schema.boolean(), tsdb: schema.boolean() }),
           })
         )
       ),