diff --git a/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_bulk_route.ts b/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_bulk_route.ts
index 0d0cd28738c92..e9c0ca08c88ee 100644
--- a/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_bulk_route.ts
+++ b/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_bulk_route.ts
@@ -122,6 +122,7 @@ export const patchRulesBulkRoute = (router: IRouter, ml: SetupPlugins['ml']) =>
               version,
               anomalyThreshold,
               machineLearningJobId,
+              actions,
             });
             if (rule != null && rule.enabled != null && rule.name != null) {
               const ruleActions = await updateRulesNotifications({
diff --git a/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_route.ts b/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_route.ts
index ae23e0efc857d..2a1ac9862e7d0 100644
--- a/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_route.ts
+++ b/x-pack/plugins/siem/server/lib/detection_engine/routes/rules/patch_rules_route.ts
@@ -118,6 +118,7 @@ export const patchRulesRoute = (router: IRouter, ml: SetupPlugins['ml']) => {
           version,
           anomalyThreshold,
           machineLearningJobId,
+          actions,
         });
         if (rule != null && rule.enabled != null && rule.name != null) {
           const ruleActions = await updateRulesNotifications({
diff --git a/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.test.ts b/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.test.ts
index 3c1267c939345..0dffa665f780b 100644
--- a/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.test.ts
+++ b/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.test.ts
@@ -91,4 +91,82 @@ describe('patchRules', () => {
       })
     );
   });
+
+  describe('regression tests', () => {
+    it("updates the rule's actions if provided", async () => {
+      const existingRule = getResult();
+
+      const action = {
+        action_type_id: '.slack',
+        id: '2933e581-d81c-4fe3-88fe-c57c6b8a5bfd',
+        params: {
+          message: 'Rule {{context.rule.name}} generated {{state.signals_count}} signals',
+        },
+        group: 'default',
+      };
+
+      await patchRules({
+        alertsClient,
+        savedObjectsClient,
+        actions: [action],
+        rule: existingRule,
+      });
+
+      expect(alertsClient.update).toHaveBeenCalledWith(
+        expect.objectContaining({
+          data: expect.objectContaining({
+            actions: [
+              {
+                actionTypeId: '.slack',
+                id: '2933e581-d81c-4fe3-88fe-c57c6b8a5bfd',
+                params: {
+                  message: 'Rule {{context.rule.name}} generated {{state.signals_count}} signals',
+                },
+                group: 'default',
+              },
+            ],
+          }),
+        })
+      );
+    });
+
+    it('does not update actions if none are specified', async () => {
+      const existingRule = {
+        ...getResult(),
+        actions: [
+          {
+            actionTypeId: '.slack',
+            id: '2933e581-d81c-4fe3-88fe-c57c6b8a5bfd',
+            params: {
+              message: 'Rule {{context.rule.name}} generated {{state.signals_count}} signals',
+            },
+            group: 'default',
+          },
+        ],
+      };
+
+      await patchRules({
+        alertsClient,
+        savedObjectsClient,
+        rule: existingRule,
+      });
+
+      expect(alertsClient.update).toHaveBeenCalledWith(
+        expect.objectContaining({
+          data: expect.objectContaining({
+            actions: [
+              {
+                actionTypeId: '.slack',
+                id: '2933e581-d81c-4fe3-88fe-c57c6b8a5bfd',
+                params: {
+                  message: 'Rule {{context.rule.name}} generated {{state.signals_count}} signals',
+                },
+                group: 'default',
+              },
+            ],
+          }),
+        })
+      );
+    });
+  });
 });
diff --git a/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.ts b/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.ts
index 1e728ae7b8d0b..950a3e90fb70c 100644
--- a/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.ts
+++ b/x-pack/plugins/siem/server/lib/detection_engine/rules/patch_rules.ts
@@ -6,6 +6,7 @@
 
 import { defaults } from 'lodash/fp';
 import { PartialAlert } from '../../../../../alerts/server';
+import { transformRuleToAlertAction } from '../../../../common/detection_engine/transform_actions';
 import { PatchRuleParams } from './types';
 import { addTags } from './add_tags';
 import { calculateVersion, calculateName, calculateInterval } from './utils';
@@ -44,6 +45,7 @@ export const patchRules = async ({
   exceptions_list,
   anomalyThreshold,
   machineLearningJobId,
+  actions,
 }: PatchRuleParams): Promise<PartialAlert | null> => {
   if (rule == null) {
     return null;
@@ -121,7 +123,7 @@ export const patchRules = async ({
       schedule: {
         interval: calculateInterval(interval, rule.schedule.interval),
       },
-      actions: rule.actions,
+      actions: actions?.map(transformRuleToAlertAction) ?? rule.actions,
       params: nextParams,
     },
   });