diff --git a/src/types/contract.ts b/src/types/contract.ts
index 2c53f613c7..3712e793c8 100644
--- a/src/types/contract.ts
+++ b/src/types/contract.ts
@@ -271,5 +271,5 @@ export type ActivatedDeployment = {
   deployment: UUID;
   // Use legacy names - these are passed to the server
   blueprint: RegistryId;
-  blueprintVersion: string;
+  blueprintVersion: SemVerString;
 };
diff --git a/src/types/helpers.test.ts b/src/types/helpers.test.ts
index a52101d95b..c1eda5eac3 100644
--- a/src/types/helpers.test.ts
+++ b/src/types/helpers.test.ts
@@ -125,6 +125,12 @@ describe("types/helpers.ts", () => {
         coerce: true,
         expected: "v1.2.3",
       },
+      {
+        value: "0.0.0",
+        allowLeadingV: false,
+        coerce: false,
+        expected: "0.0.0",
+      },
     ])(
       "$value with allowLeadingV: $allowLeadingV and coerce: $coerce returns $expected",
       ({ value, allowLeadingV, coerce, expected }) => {
diff --git a/src/types/registryTypes.ts b/src/types/registryTypes.ts
index ef3465b4b5..8262d7855b 100644
--- a/src/types/registryTypes.ts
+++ b/src/types/registryTypes.ts
@@ -74,19 +74,11 @@ export type Metadata = {
    */
   readonly name: string;
 
-  /**
-   * An optional human-readable description.
-   */
   /**
    * An optional human-readable description.
    */
   readonly description?: string;
 
-  /**
-   * The semantic version of the package.
-   *
-   * Currently optional because it defaults to the browser extension version for bricks defined in JS.
-   */
   /**
    * The semantic version of the package.
    *
diff --git a/src/utils/deploymentUtils.test.ts b/src/utils/deploymentUtils.test.ts
index 60a11e829a..f4e91b631c 100644
--- a/src/utils/deploymentUtils.test.ts
+++ b/src/utils/deploymentUtils.test.ts
@@ -21,6 +21,7 @@ import {
   isDeploymentActive,
   makeUpdatedFilter,
   mergeDeploymentIntegrationDependencies,
+  selectActivatedDeployments,
 } from "./deploymentUtils";
 import {
   uuidv4,
@@ -46,7 +47,10 @@ import {
 import getModDefinitionIntegrationIds from "@/integrations/util/getModDefinitionIntegrationIds";
 import { getExtensionVersion } from "@/utils/extensionUtils";
 import { validateTimestamp } from "@/utils/timeUtils";
-import { modInstanceFactory } from "@/testUtils/factories/modInstanceFactories";
+import {
+  modInstanceFactory,
+  teamDeploymentMetadataFactory,
+} from "@/testUtils/factories/modInstanceFactories";
 import { mapActivatedModComponentsToModInstance } from "@/store/modComponents/modInstanceUtils";
 
 describe("makeUpdatedFilter", () => {
@@ -495,3 +499,22 @@ describe("mergeDeploymentIntegrationDependencies", () => {
     ]);
   });
 });
+
+describe("selectActivatedDeployments", () => {
+  it("selects deployment", () => {
+    const manualMod = modInstanceFactory();
+    const deploymentMod = modInstanceFactory({
+      deploymentMetadata: teamDeploymentMetadataFactory(),
+    });
+
+    const result = selectActivatedDeployments([manualMod, deploymentMod]);
+
+    expect(result).toStrictEqual([
+      {
+        deployment: deploymentMod.deploymentMetadata!.id,
+        blueprint: deploymentMod.definition.metadata.id,
+        blueprintVersion: deploymentMod.definition.metadata.version,
+      },
+    ]);
+  });
+});
diff --git a/src/utils/deploymentUtils.ts b/src/utils/deploymentUtils.ts
index 0bbbd17a1b..e506e8e22c 100644
--- a/src/utils/deploymentUtils.ts
+++ b/src/utils/deploymentUtils.ts
@@ -24,7 +24,7 @@ import {
   type IntegrationDependency,
   type SanitizedIntegrationConfig,
 } from "@/integrations/integrationTypes";
-import { validateUUID } from "@/types/helpers";
+import { normalizeSemVerString, validateUUID } from "@/types/helpers";
 import { type Except } from "type-fest";
 import { PIXIEBRIX_INTEGRATION_ID } from "@/integrations/constants";
 import getUnconfiguredComponentIntegrations from "@/integrations/util/getUnconfiguredComponentIntegrations";
@@ -144,17 +144,25 @@ export function checkExtensionUpdateRequired(
   );
 }
 
+/**
+ * Return activated deployment telemetry for heartbeat. Includes deployments that are activated, but paused.
+ */
 export function selectActivatedDeployments(
   modInstances: ModInstance[],
 ): ActivatedDeployment[] {
   return uniqBy(
     modInstances
       .filter((x) => x.deploymentMetadata != null)
-      .map((x) => ({
+      .map((modInstance) => ({
         // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- Typescript not picking up filter
-        deployment: x.deploymentMetadata!.id,
-        blueprint: x.definition.metadata.id,
-        blueprintVersion: x.definition.metadata.id,
+        deployment: modInstance.deploymentMetadata!.id,
+        blueprint: modInstance.definition.metadata.id,
+        // In practice, all activated mods must have a version. But be defensive given that Metadata type used by
+        // ModDefinition does not currently require version.
+        blueprintVersion:
+          modInstance.definition.metadata.version ??
+          // 0.0.0 so it's easier to see the defaulting in the backend
+          normalizeSemVerString("0.0.0"),
       })),
     (x) => x.deployment,
   );