diff --git a/__tests__/project-actions.test.js b/__tests__/project-actions.test.js
index 752aa38..4ac2a3a 100644
--- a/__tests__/project-actions.test.js
+++ b/__tests__/project-actions.test.js
@@ -220,7 +220,7 @@ describe("projectActions", () => {
 
   describe("createItem", () => {
     it("creates an item", async () => {
-      const mockCreateItemMutation = `mutation createItem($projectId: String!, $contentId: String!) {
+      const mockCreateItemMutation = `mutation createItem($projectId: ID!, $contentId: ID!) {
           addProjectNextItem(input: {projectId: $projectId contentId: $contentId}) {
               projectNextItem {
                   id
diff --git a/dist/index.js b/dist/index.js
index f75f332..36c8cd8 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -28504,7 +28504,7 @@ class ProjectActions {
     async createItem(octokit, projectId, contentId) {
         try {
             const mutation = `
-                mutation createItem($projectId: String!, $contentId: String!) {
+                mutation createItem($projectId: ID!, $contentId: ID!) {
                     addProjectNextItem(input: {projectId: $projectId contentId: $contentId}) {
                         projectNextItem {
                             id
diff --git a/project-actions.js b/project-actions.js
index 8619e37..8d2c752 100644
--- a/project-actions.js
+++ b/project-actions.js
@@ -99,7 +99,7 @@ class ProjectActions {
     async createItem(octokit, projectId, contentId) {
         try {
             const mutation = `
-                mutation createItem($projectId: String!, $contentId: String!) {
+                mutation createItem($projectId: ID!, $contentId: ID!) {
                     addProjectNextItem(input: {projectId: $projectId contentId: $contentId}) {
                         projectNextItem {
                             id