diff --git a/src/common/application-update/application-update-status-channel.injectable.ts b/src/common/application-update/application-update-status-channel.injectable.ts
index 127f0cec2f..251bc7e992 100644
--- a/src/common/application-update/application-update-status-channel.injectable.ts
+++ b/src/common/application-update/application-update-status-channel.injectable.ts
@@ -3,6 +3,7 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
+import type { JsonObject } from "type-fest";
 import type { MessageChannel } from "../channel/message-channel-injection-token";
 import { messageChannelInjectionToken } from "../channel/message-channel-injection-token";
 
@@ -12,7 +13,7 @@ export type ApplicationUpdateStatusEventId =
       | "download-for-update-started"
       | "download-for-update-failed";
 
-export interface ApplicationUpdateStatusChannelMessage { eventId: ApplicationUpdateStatusEventId; version?: string }
+export interface ApplicationUpdateStatusChannelMessage extends JsonObject { eventId: ApplicationUpdateStatusEventId; version?: string }
 export type ApplicationUpdateStatusChannel = MessageChannel<ApplicationUpdateStatusChannelMessage>;
 
 const applicationUpdateStatusChannelInjectable = getInjectable({
diff --git a/src/common/ask-boolean/ask-boolean-question-channel.injectable.ts b/src/common/ask-boolean/ask-boolean-question-channel.injectable.ts
index 8ac603b2d2..4027fa1513 100644
--- a/src/common/ask-boolean/ask-boolean-question-channel.injectable.ts
+++ b/src/common/ask-boolean/ask-boolean-question-channel.injectable.ts
@@ -3,10 +3,11 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
+import type { JsonObject } from "type-fest";
 import type { MessageChannel } from "../channel/message-channel-injection-token";
 import { messageChannelInjectionToken } from "../channel/message-channel-injection-token";
 
-export interface AskBooleanQuestionParameters { id: string; title: string; question: string }
+export interface AskBooleanQuestionParameters extends JsonObject { id: string; title: string; question: string }
 export type AskBooleanQuestionChannel = MessageChannel<AskBooleanQuestionParameters>;
 
 const askBooleanQuestionChannelInjectable = getInjectable({
diff --git a/src/common/channel/enlist-message-channel-listener-injection-token.ts b/src/common/channel/enlist-message-channel-listener-injection-token.ts
index e75a50468d..fa6983e130 100644
--- a/src/common/channel/enlist-message-channel-listener-injection-token.ts
+++ b/src/common/channel/enlist-message-channel-listener-injection-token.ts
@@ -7,7 +7,7 @@ import type { MessageChannel } from "./message-channel-injection-token";
 import type { MessageChannelListener } from "./message-channel-listener-injection-token";
 
 export type EnlistMessageChannelListener = <
-  TChannel extends MessageChannel<unknown>,
+  TChannel extends MessageChannel<any>,
 >(listener: MessageChannelListener<TChannel>) => () => void;
 
 export const enlistMessageChannelListenerInjectionToken =
diff --git a/src/common/channel/message-channel-injection-token.ts b/src/common/channel/message-channel-injection-token.ts
index e7502c6e34..3141acedf3 100644
--- a/src/common/channel/message-channel-injection-token.ts
+++ b/src/common/channel/message-channel-injection-token.ts
@@ -4,8 +4,9 @@
  */
 
 import { getInjectionToken } from "@ogre-tools/injectable";
+import type { JsonValue } from "type-fest";
 
-export interface MessageChannel<Message = void> {
+export interface MessageChannel<Message extends JsonValue | void = void> {
   id: string;
   _messageSignature?: Message;
 }
diff --git a/src/common/channel/message-to-channel-injection-token.ts b/src/common/channel/message-to-channel-injection-token.ts
index d70be48e5e..8c5f03b9ee 100644
--- a/src/common/channel/message-to-channel-injection-token.ts
+++ b/src/common/channel/message-to-channel-injection-token.ts
@@ -3,6 +3,7 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectionToken } from "@ogre-tools/injectable";
+import type { SetRequired } from "type-fest";
 import type { MessageChannel } from "./message-channel-injection-token";
 
 export interface MessageToChannel {
@@ -10,9 +11,9 @@ export interface MessageToChannel {
     channel: TChannel,
   ): void;
 
-  <TChannel extends MessageChannel<TMessage>, TMessage>(
+  <TChannel extends MessageChannel<any>>(
     channel: TChannel,
-    message: TMessage
+    message: SetRequired<TChannel, "_messageSignature">["_messageSignature"],
   ): void;
 }
 
diff --git a/src/main/channel/message-to-channel.injectable.ts b/src/main/channel/message-to-channel.injectable.ts
index 7ffd82b96e..072726a52b 100644
--- a/src/main/channel/message-to-channel.injectable.ts
+++ b/src/main/channel/message-to-channel.injectable.ts
@@ -17,7 +17,7 @@ const messageToChannelInjectable = getInjectable({
 
     // TODO: Figure out way to improve typing in internals
     // Notice that this should be injected using "messageToChannelInjectionToken" which is typed correctly.
-    return (channel: MessageChannel<unknown>, message?: unknown) => {
+    return (channel: MessageChannel<any>, message?: unknown) => {
       const visibleWindows = pipeline(
         getAllLensWindows(),
         filter((lensWindow) => !!lensWindow.visible),
diff --git a/src/renderer/channel/message-to-channel.injectable.ts b/src/renderer/channel/message-to-channel.injectable.ts
index 921351dc60..d6082baac6 100644
--- a/src/renderer/channel/message-to-channel.injectable.ts
+++ b/src/renderer/channel/message-to-channel.injectable.ts
@@ -15,7 +15,7 @@ const messageToChannelInjectable = getInjectable({
 
     // TODO: Figure out way to improve typing in internals
     // Notice that this should be injected using "messageToChannelInjectionToken" which is typed correctly.
-    return (channel: MessageChannel<unknown>, message?: unknown) => {
+    return (channel: MessageChannel<any>, message?: unknown) => {
       sendToMain(channel.id, message);
     };
   },
diff --git a/src/renderer/channel/send-to-main.injectable.ts b/src/renderer/channel/send-to-main.injectable.ts
index a2b135ebd3..e9f68a9324 100644
--- a/src/renderer/channel/send-to-main.injectable.ts
+++ b/src/renderer/channel/send-to-main.injectable.ts
@@ -3,6 +3,7 @@
  * Licensed under MIT License. See LICENSE in root directory for more information.
  */
 import { getInjectable } from "@ogre-tools/injectable";
+import type { JsonValue } from "type-fest";
 import ipcRendererInjectable from "./ipc-renderer.injectable";
 
 const sendToMainInjectable = getInjectable({
@@ -12,7 +13,7 @@ const sendToMainInjectable = getInjectable({
     const ipcRenderer = di.inject(ipcRendererInjectable);
 
     // TODO: Figure out way to improve typing in internals
-    return (channelId: string, message: any) => {
+    return <T>(channelId: string, message: JsonValue extends T ? T : never ) => {
       ipcRenderer.send(channelId, ...(message ? [message] : []));
     };
   },
diff --git a/src/test-utils/channel-fakes/override-messaging-from-main-to-window.ts b/src/test-utils/channel-fakes/override-messaging-from-main-to-window.ts
index 5c2b839ad9..01af393020 100644
--- a/src/test-utils/channel-fakes/override-messaging-from-main-to-window.ts
+++ b/src/test-utils/channel-fakes/override-messaging-from-main-to-window.ts
@@ -13,7 +13,7 @@ import assert from "assert";
 export const overrideMessagingFromMainToWindow = (mainDi: DiContainer) => {
   const messageChannelListenerFakesForRenderer = new Map<
     string,
-    Set<MessageChannelListener<MessageChannel<unknown>>>
+    Set<MessageChannelListener<MessageChannel<any>>>
   >();
 
   mainDi.override(
@@ -73,14 +73,14 @@ export const overrideMessagingFromMainToWindow = (mainDi: DiContainer) => {
 
         // TODO: Figure out typing
         listeners.add(
-          listener as unknown as MessageChannelListener<MessageChannel<unknown>>,
+          listener as unknown as MessageChannelListener<MessageChannel<any>>,
         );
 
         return () => {
           // TODO: Figure out typing
           listeners.delete(
             listener as unknown as MessageChannelListener<
-              MessageChannel<unknown>
+              MessageChannel<any>
             >,
           );
         };
diff --git a/src/test-utils/channel-fakes/override-messaging-from-window-to-main.ts b/src/test-utils/channel-fakes/override-messaging-from-window-to-main.ts
index 01538dc920..7141160639 100644
--- a/src/test-utils/channel-fakes/override-messaging-from-window-to-main.ts
+++ b/src/test-utils/channel-fakes/override-messaging-from-window-to-main.ts
@@ -12,7 +12,7 @@ import sendToMainInjectable from "../../renderer/channel/send-to-main.injectable
 export const overrideMessagingFromWindowToMain = (mainDi: DiContainer) => {
   const messageChannelListenerFakesForMain = new Map<
     string,
-    Set<MessageChannelListener<MessageChannel<unknown>>>
+    Set<MessageChannelListener<MessageChannel<any>>>
   >();
 
   mainDi.override(
@@ -33,13 +33,13 @@ export const overrideMessagingFromWindowToMain = (mainDi: DiContainer) => {
 
       // TODO: Figure out typing
       listeners.add(
-        listener as unknown as MessageChannelListener<MessageChannel<unknown>>,
+        listener as unknown as MessageChannelListener<MessageChannel<any>>,
       );
 
       return () => {
         // TODO: Figure out typing
         listeners.delete(
-          listener as unknown as MessageChannelListener<MessageChannel<unknown>>,
+          listener as unknown as MessageChannelListener<MessageChannel<any>>,
         );
       };
     },