diff --git a/README.md b/README.md
index bf0698d..1d89c35 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,11 @@ const { fastifyAwilixPlugin } = require('@fastify/awilix')
 const fastify = require('fastify')
 
 app = fastify({ logger: true })
-app.register(fastifyAwilixPlugin, { disposeOnClose: true, disposeOnResponse: true })
+app.register(fastifyAwilixPlugin, { 
+  disposeOnClose: true, 
+  disposeOnResponse: true,
+  strictBooleanEnforced: true
+})
 ```
 
 Then, register some modules for injection:
@@ -99,6 +103,9 @@ Default value is `false`
 `eagerInject` - whether to process `eagerInject` fields in DI resolver configuration, which instantiates and caches module immediately. Disabling this will make app startup slightly faster.
 Default value is `false`
 
+`strictBooleanEnforced` - whether to throw an error if `enabled` field in a resolver configuration is set with unsupported value (anything different from `true` and `false`). It is recommended to set this to `true`, which will be a default value in the next semver major release.
+Default value is `false`
+
 ## Defining classes
 
 All dependency modules are resolved using either the constructor injection (for `asClass`) or the function argument (for `asFunction`), by passing the aggregated dependencies object, where keys
diff --git a/lib/fastifyAwilixPlugin.js b/lib/fastifyAwilixPlugin.js
index ee62073..005b3f0 100644
--- a/lib/fastifyAwilixPlugin.js
+++ b/lib/fastifyAwilixPlugin.js
@@ -32,6 +32,7 @@ function plugin(fastify, opts, next) {
     asyncDispose: opts.asyncDispose,
     asyncInit: opts.asyncInit,
     eagerInject: opts.eagerInject,
+    strictBooleanEnforced: opts.strictBooleanEnforced,
   })
   const disposeOnResponse = opts.disposeOnResponse === true || opts.disposeOnResponse === undefined
   const disposeOnClose = opts.disposeOnClose === true || opts.disposeOnClose === undefined
diff --git a/lib/index.d.ts b/lib/index.d.ts
index c05f4ad..3827595 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -25,6 +25,7 @@ export type FastifyAwilixOptions = {
   asyncInit?: boolean
   asyncDispose?: boolean
   eagerInject?: boolean
+  strictBooleanEnforced?: boolean
 }
 
 export const fastifyAwilixPlugin: FastifyPluginCallback<NonNullable<FastifyAwilixOptions>>
diff --git a/lib/index.test-d.ts b/lib/index.test-d.ts
index 36c2729..fc6358a 100644
--- a/lib/index.test-d.ts
+++ b/lib/index.test-d.ts
@@ -16,6 +16,9 @@ expectAssignable<FastifyAwilixOptions>({ asyncInit: false, asyncDispose: false }
 expectAssignable<FastifyAwilixOptions>({ asyncInit: true, asyncDispose: true })
 expectAssignable<FastifyAwilixOptions>({ eagerInject: true })
 
+expectAssignable<FastifyAwilixOptions>({ strictBooleanEnforced: true })
+expectAssignable<FastifyAwilixOptions>({ strictBooleanEnforced: false })
+
 interface MailService {
   greet(name: string): void
 }
diff --git a/package.json b/package.json
index d8c7563..48785d2 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "prettier": "prettier --write \"{lib,test}/**/*.js\" lib/index.js lib/index.d.ts"
   },
   "dependencies": {
-    "awilix-manager": "^5.0.1",
+    "awilix-manager": "^5.1.0",
     "fastify-plugin": "^4.5.1"
   },
   "peerDependencies": {