diff --git a/packages/backend-core/src/middleware/auditLog.ts b/packages/backend-core/src/middleware/auditLog.ts
index 2febbf879c..f4cbb8b45f 100644
--- a/packages/backend-core/src/middleware/auditLog.ts
+++ b/packages/backend-core/src/middleware/auditLog.ts
@@ -1,6 +1,10 @@
 import { Ctx } from "@budibase/types"
+import { Middleware, Next } from "koa"
 
-export default async (ctx: Ctx, next: any) => {
+// this middleware exists purely to be overridden by middlewares supplied by the @budibase/pro library
+const middleware = (async (ctx: Ctx, next: Next) => {
   // Placeholder for audit log middleware
   return next()
-}
+}) as Middleware
+
+export default middleware
diff --git a/packages/backend-core/src/middleware/tenancy.ts b/packages/backend-core/src/middleware/tenancy.ts
index e0c1be2a03..a614ab5438 100644
--- a/packages/backend-core/src/middleware/tenancy.ts
+++ b/packages/backend-core/src/middleware/tenancy.ts
@@ -8,6 +8,7 @@ import {
   GetTenantIdOptions,
   TenantResolutionStrategy,
 } from "@budibase/types"
+import { Next, Middleware } from "koa"
 
 export default function (
   allowQueryStringPatterns: EndpointMatcher[],
@@ -17,7 +18,7 @@ export default function (
   const allowQsOptions = buildMatcherRegex(allowQueryStringPatterns)
   const noTenancyOptions = buildMatcherRegex(noTenancyPatterns)
 
-  return async function (ctx: Ctx, next: any) {
+  return async function (ctx: Ctx, next: Next) {
     const allowNoTenant =
       opts.noTenancyRequired || !!matches(ctx, noTenancyOptions)
     const tenantOpts: GetTenantIdOptions = {
@@ -32,5 +33,5 @@ export default function (
     const tenantId = getTenantIDFromCtx(ctx, tenantOpts)
     ctx.set(Header.TENANT_ID, tenantId as string)
     return doInTenant(tenantId, next)
-  }
+  } as Middleware
 }
diff --git a/packages/server/src/api/index.ts b/packages/server/src/api/index.ts
index 92cee95ea6..230e5079b4 100644
--- a/packages/server/src/api/index.ts
+++ b/packages/server/src/api/index.ts
@@ -58,12 +58,9 @@ if (apiEnabled()) {
       })
     )
     .use(pro.licensing())
-    // @ts-ignore
     .use(currentApp)
     .use(auth.auditLog)
-    // @ts-ignore
     .use(migrations)
-    // @ts-ignore
     .use(cleanup)
 
   // authenticated routes
diff --git a/packages/server/src/middleware/appMigrations.ts b/packages/server/src/middleware/appMigrations.ts
index 6ad356427b..c8fcfa217e 100644
--- a/packages/server/src/middleware/appMigrations.ts
+++ b/packages/server/src/middleware/appMigrations.ts
@@ -1,8 +1,9 @@
 import { UserCtx } from "@budibase/types"
 import { checkMissingMigrations } from "../appMigrations"
 import env from "../environment"
+import { Middleware, Next } from "koa"
 
-export default async (ctx: UserCtx, next: any) => {
+const middleware = (async (ctx: UserCtx, next: Next) => {
   const { appId } = ctx
 
   // migrations can be disabled via environment variable if you
@@ -16,4 +17,6 @@ export default async (ctx: UserCtx, next: any) => {
   }
 
   return checkMissingMigrations(ctx, next, appId)
-}
+}) as Middleware
+
+export default middleware
diff --git a/packages/server/src/middleware/cleanup.ts b/packages/server/src/middleware/cleanup.ts
index fa04743cee..7279c4cddc 100644
--- a/packages/server/src/middleware/cleanup.ts
+++ b/packages/server/src/middleware/cleanup.ts
@@ -1,8 +1,9 @@
 import { Ctx } from "@budibase/types"
 import { context } from "@budibase/backend-core"
 import { tracer } from "dd-trace"
+import { Middleware, Next } from "koa"
 
-export default async (ctx: Ctx, next: any) => {
+const middleware = (async (ctx: Ctx, next: Next) => {
   const resp = await next()
 
   const current = context.getCurrentContext()
@@ -30,4 +31,6 @@ export default async (ctx: Ctx, next: any) => {
   }
 
   return resp
-}
+}) as Middleware
+
+export default middleware
diff --git a/packages/server/src/middleware/currentapp.ts b/packages/server/src/middleware/currentapp.ts
index 6b44e56a66..796098a4d2 100644
--- a/packages/server/src/middleware/currentapp.ts
+++ b/packages/server/src/middleware/currentapp.ts
@@ -13,8 +13,9 @@ import env from "../environment"
 import { isWebhookEndpoint, isBrowser, isApiKey } from "./utils"
 import { UserCtx, ContextUser } from "@budibase/types"
 import tracer from "dd-trace"
+import { Middleware, Next } from "koa"
 
-export default async (ctx: UserCtx, next: any) => {
+const middleware = (async (ctx: UserCtx, next: Next) => {
   // try to get the appID from the request
   let requestAppId = await utils.getAppIdFromCtx(ctx)
   if (!requestAppId) {
@@ -116,4 +117,6 @@ export default async (ctx: UserCtx, next: any) => {
 
     return next()
   })
-}
+}) as Middleware
+
+export default middleware
diff --git a/packages/types/src/sdk/koa.ts b/packages/types/src/sdk/koa.ts
index 826b7b371c..deb457d009 100644
--- a/packages/types/src/sdk/koa.ts
+++ b/packages/types/src/sdk/koa.ts
@@ -47,7 +47,7 @@ export interface BBRequest<RequestBody> extends Request {
 export interface Ctx<RequestBody = any, ResponseBody = any> extends Context {
   request: BBRequest<RequestBody>
   body: ResponseBody
-  userAgent: UserAgentContext["userAgent"]
+  userAgent?: UserAgentContext["userAgent"]
   state: { nonce?: string }
 }