diff --git a/packages/snaps-utils/src/index.ts b/packages/snaps-utils/src/index.ts
index 207972e5e2..aa87a494f1 100644
--- a/packages/snaps-utils/src/index.ts
+++ b/packages/snaps-utils/src/index.ts
@@ -29,3 +29,4 @@ export * from './ui';
 export * from './validation';
 export * from './versions';
 export * from './virtual-file';
+export * from './promise';
diff --git a/packages/snaps-utils/src/manifest/validator-types.ts b/packages/snaps-utils/src/manifest/validator-types.ts
index 6b97bfb721..91eb72b84f 100644
--- a/packages/snaps-utils/src/manifest/validator-types.ts
+++ b/packages/snaps-utils/src/manifest/validator-types.ts
@@ -1,3 +1,4 @@
+import type { Promisable } from '../promise';
 import type { SnapFiles, UnvalidatedSnapFiles } from '../types';
 import type { SnapManifest } from './validation';
 
@@ -5,7 +6,7 @@ import type { SnapManifest } from './validation';
 // https://eslint.org/docs/latest/extend/custom-rules#applying-fixes
 export type ValidatorFix = (files: {
   manifest: SnapManifest;
-}) => { manifest: SnapManifest } | Promise<{ manifest: SnapManifest }>;
+}) => Promisable<{ manifest: SnapManifest }>;
 
 export type ValidatorSeverity = 'error' | 'warning';
 
diff --git a/packages/snaps-utils/src/manifest/validator.ts b/packages/snaps-utils/src/manifest/validator.ts
index 319e61e5b8..25bc2e613a 100644
--- a/packages/snaps-utils/src/manifest/validator.ts
+++ b/packages/snaps-utils/src/manifest/validator.ts
@@ -18,6 +18,8 @@ export type ValidatorResults = {
 class Context implements ValidatorContext {
   reports: ValidatorReport[] = [];
 
+  #nextSeverity?: ValidatorSeverity = undefined;
+
   report(message: string, fix?: ValidatorFix): void {
     assert(this.#nextSeverity !== undefined);
     this.reports.push({
@@ -34,8 +36,6 @@ class Context implements ValidatorContext {
   get hasErrors() {
     return this.reports.some((report) => report.severity === 'error');
   }
-
-  #nextSeverity?: ValidatorSeverity = undefined;
 }
 
 /**
diff --git a/packages/snaps-utils/src/promise.ts b/packages/snaps-utils/src/promise.ts
new file mode 100644
index 0000000000..eb97e2dd33
--- /dev/null
+++ b/packages/snaps-utils/src/promise.ts
@@ -0,0 +1 @@
+export type Promisable<Type> = Type | Promise<Type>;