diff --git a/packages/core/src/Extension.ts b/packages/core/src/Extension.ts
index 97200301faa..0bcd9004de6 100644
--- a/packages/core/src/Extension.ts
+++ b/packages/core/src/Extension.ts
@@ -457,7 +457,7 @@ export class Extension<Options = any, Storage = any> {
   configure(options: Partial<Options> = {}) {
     // return a new instance so we can use the same extension
     // with different calls of `configure`
-    const extension = this.extend({
+    const extension = this.extend<Options, Storage>({
       ...this.config,
       addOptions: () => {
         return mergeDeep(this.options as Record<string, any>, options) as Options
diff --git a/packages/core/src/Mark.ts b/packages/core/src/Mark.ts
index f365ce40e89..e731d246529 100644
--- a/packages/core/src/Mark.ts
+++ b/packages/core/src/Mark.ts
@@ -589,7 +589,7 @@ export class Mark<Options = any, Storage = any> {
   configure(options: Partial<Options> = {}) {
     // return a new instance so we can use the same extension
     // with different calls of `configure`
-    const extension = this.extend({
+    const extension = this.extend<Options, Storage>({
       ...this.config,
       addOptions: () => {
         return mergeDeep(this.options as Record<string, any>, options) as Options
diff --git a/packages/core/src/Node.ts b/packages/core/src/Node.ts
index a79d3a9aa5d..ce21411caeb 100644
--- a/packages/core/src/Node.ts
+++ b/packages/core/src/Node.ts
@@ -780,7 +780,7 @@ export class Node<Options = any, Storage = any> {
   configure(options: Partial<Options> = {}) {
     // return a new instance so we can use the same extension
     // with different calls of `configure`
-    const extension = this.extend({
+    const extension = this.extend<Options, Storage>({
       ...this.config,
       addOptions: () => {
         return mergeDeep(this.options as Record<string, any>, options) as Options