diff --git a/docs/interfaces/types.CompactJWEHeaderParameters.md b/docs/interfaces/types.CompactJWEHeaderParameters.md
index 6a09a8ab0e..466c082d45 100644
--- a/docs/interfaces/types.CompactJWEHeaderParameters.md
+++ b/docs/interfaces/types.CompactJWEHeaderParameters.md
@@ -69,7 +69,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/docs/interfaces/types.CompactJWSHeaderParameters.md b/docs/interfaces/types.CompactJWSHeaderParameters.md
index d1b18d960c..3aff524711 100644
--- a/docs/interfaces/types.CompactJWSHeaderParameters.md
+++ b/docs/interfaces/types.CompactJWSHeaderParameters.md
@@ -69,7 +69,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/docs/interfaces/types.JWEHeaderParameters.md b/docs/interfaces/types.JWEHeaderParameters.md
index cdb672bb89..f3c886d254 100644
--- a/docs/interfaces/types.JWEHeaderParameters.md
+++ b/docs/interfaces/types.JWEHeaderParameters.md
@@ -69,7 +69,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/docs/interfaces/types.JWSHeaderParameters.md b/docs/interfaces/types.JWSHeaderParameters.md
index b0da159670..5e0e9c5fe5 100644
--- a/docs/interfaces/types.JWSHeaderParameters.md
+++ b/docs/interfaces/types.JWSHeaderParameters.md
@@ -69,7 +69,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/docs/interfaces/types.JWTHeaderParameters.md b/docs/interfaces/types.JWTHeaderParameters.md
index b01ba9beed..2a3fa8cf7a 100644
--- a/docs/interfaces/types.JWTHeaderParameters.md
+++ b/docs/interfaces/types.JWTHeaderParameters.md
@@ -69,7 +69,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/docs/interfaces/types.JoseHeaderParameters.md b/docs/interfaces/types.JoseHeaderParameters.md
index fac294f840..c8dead422d 100644
--- a/docs/interfaces/types.JoseHeaderParameters.md
+++ b/docs/interfaces/types.JoseHeaderParameters.md
@@ -39,7 +39,7 @@ ___
 
 ### jwk
 
-• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"crv"`` \| ``"e"`` \| ``"n"`` \| ``"kty"``\>
+• `Optional` **jwk**: [`Pick`]( https://www.typescriptlang.org/docs/handbook/utility-types.html#picktype-keys )\<[`JWK`](types.JWK.md), ``"x"`` \| ``"y"`` \| ``"kty"`` \| ``"crv"`` \| ``"e"`` \| ``"n"``\>
 
 "jwk" (JSON Web Key) Header Parameter.
 
diff --git a/src/index.ts b/src/index.ts
index cc9aedd817..fa6c34a51c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -62,6 +62,14 @@ export * as base64url from './util/base64url.js'
 export type {
   KeyLike,
   JWK,
+  JWKParameters,
+  JWK_OKP_Public,
+  JWK_OKP_Private,
+  JWK_EC_Public,
+  JWK_EC_Private,
+  JWK_RSA_Public,
+  JWK_RSA_Private,
+  JWK_oct,
   FlattenedJWSInput,
   GeneralJWSInput,
   FlattenedJWS,
diff --git a/src/types.d.ts b/src/types.d.ts
index 5c076009a2..d1cdb24950 100644
--- a/src/types.d.ts
+++ b/src/types.d.ts
@@ -121,6 +121,8 @@ export interface JWKParameters {
   x5u?: string
   /** JWK "kid" (Key ID) Parameter. */
   kid?: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Public OKP JSON Web Keys */
@@ -129,12 +131,16 @@ export interface JWK_OKP_Public extends JWKParameters {
   crv: string
   /** The public key */
   x: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Private OKP JSON Web Keys */
 export interface JWK_OKP_Private extends JWK_OKP_Public, JWKParameters {
   /** The Private Key */
   d: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Public EC JSON Web Keys */
@@ -145,12 +151,16 @@ export interface JWK_EC_Public extends JWKParameters {
   x: string
   /** Y Coordinate */
   y: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Private EC JSON Web Keys */
 export interface JWK_EC_Private extends JWK_EC_Public, JWKParameters {
   /** ECC Private Key */
   d: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Public RSA JSON Web Keys */
@@ -159,6 +169,8 @@ export interface JWK_RSA_Public extends JWKParameters {
   e: string
   /** Modulus */
   n: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for Private RSA JSON Web Keys */
@@ -181,12 +193,16 @@ export interface JWK_RSA_Private extends JWK_RSA_Public, JWKParameters {
   q: string
   /** First CRT Coefficient */
   qi: string
+
+  [propName: string]: unknown
 }
 
 /** Convenience interface for oct JSON Web Keys */
 export interface JWK_oct extends JWKParameters {
   /** Key Value */
   k: string
+
+  [propName: string]: unknown
 }
 
 /**
diff --git a/test/types/index.test-d.ts b/test/types/index.test-d.ts
index 829e982734..2615e1cbb0 100644
--- a/test/types/index.test-d.ts
+++ b/test/types/index.test-d.ts
@@ -40,9 +40,15 @@ expectType<lib.KeyLike>(await lib.importX509('', 'RS256'))
 expectType<CryptoKey>(await lib.importX509<CryptoKey>('', 'RS256'))
 expectType<KeyObject>(await lib.importX509<KeyObject>('', 'RS256'))
 
-expectType<lib.KeyLike | Uint8Array>(await lib.importJWK({ kty: 'RSA' }))
-expectType<CryptoKey | Uint8Array>(await lib.importJWK<CryptoKey>({ kty: 'RSA' }))
-expectType<KeyObject | Uint8Array>(await lib.importJWK<KeyObject>({ kty: 'RSA' }))
+expectType<lib.KeyLike | Uint8Array>(
+  await lib.importJWK(<lib.JWK_OKP_Public>{ kty: 'OKP', crv: '', x: '' }),
+)
+expectType<CryptoKey | Uint8Array>(
+  await lib.importJWK<CryptoKey>(<lib.JWK_OKP_Public>{ kty: 'OKP', crv: '', x: '' }),
+)
+expectType<KeyObject | Uint8Array>(
+  await lib.importJWK<KeyObject>(<lib.JWK_OKP_Public>{ kty: 'OKP', crv: '', x: '' }),
+)
 
 {
   const result = await lib.jwtVerify('', lib.createLocalJWKSet({ keys: [] }))