diff --git a/package-lock.json b/package-lock.json
index 6ae3ad0..436a7c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@doist/todoist-api-typescript",
-    "version": "2.0.4",
+    "version": "2.0.5",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@doist/todoist-api-typescript",
-            "version": "2.0.4",
+            "version": "2.0.5",
             "license": "MIT",
             "dependencies": {
                 "axios": "^0.27.0",
diff --git a/package.json b/package.json
index 495b9b2..994f0cc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@doist/todoist-api-typescript",
-    "version": "2.0.4",
+    "version": "2.0.5",
     "description": "A typescript wrapper for the Todoist REST API.",
     "author": "Doist developers",
     "repository": "git@github.com:doist/todoist-api-typescript.git",
diff --git a/src/types/requests.ts b/src/types/requests.ts
index 378e38e..6f7d9a4 100644
--- a/src/types/requests.ts
+++ b/src/types/requests.ts
@@ -35,11 +35,11 @@ export type UpdateTaskArgs = {
     description?: string
     labels?: string[]
     priority?: number
-    dueString?: string
-    dueLang?: string
-    dueDate?: string
-    dueDatetime?: string
-    assigneeId?: string
+    dueString?: string | null
+    dueLang?: string | null
+    dueDate?: string | null
+    dueDatetime?: string | null
+    assigneeId?: string | null
 }
 
 export type ProjectViewStyle = 'list' | 'board'