diff --git a/.changeset/purple-otters-explode.md b/.changeset/purple-otters-explode.md
new file mode 100644
index 0000000000..fd44b94598
--- /dev/null
+++ b/.changeset/purple-otters-explode.md
@@ -0,0 +1,7 @@
+---
+'@graphiql/plugin-code-exporter': patch
+'@graphiql/plugin-explorer': patch
+'graphiql': patch
+---
+
+fix unpkg.com results to `Not found` when `main` field isn't specified in `package.json`
diff --git a/packages/graphiql-plugin-code-exporter/package.json b/packages/graphiql-plugin-code-exporter/package.json
index a6bcd55d3c..ade70b163f 100644
--- a/packages/graphiql-plugin-code-exporter/package.json
+++ b/packages/graphiql-plugin-code-exporter/package.json
@@ -8,6 +8,7 @@
     "directory": "packages/graphiql-plugin-code-exporter"
   },
   "author": "LekoArts",
+  "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "license": "MIT",
   "keywords": [
@@ -23,10 +24,7 @@
   "exports": {
     "./package.json": "./package.json",
     "./style.css": "./dist/style.css",
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    }
+    ".": "./dist/index.js"
   },
   "scripts": {
     "dev": "vite build --watch",
diff --git a/packages/graphiql-plugin-explorer/package.json b/packages/graphiql-plugin-explorer/package.json
index bf90b51c9d..5d305a7663 100644
--- a/packages/graphiql-plugin-explorer/package.json
+++ b/packages/graphiql-plugin-explorer/package.json
@@ -7,6 +7,7 @@
     "url": "https://github.com/graphql/graphiql",
     "directory": "packages/graphiql-plugin-explorer"
   },
+  "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "license": "MIT",
   "keywords": [
@@ -22,10 +23,7 @@
   "exports": {
     "./package.json": "./package.json",
     "./style.css": "./dist/style.css",
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    }
+    ".": "./dist/index.js"
   },
   "scripts": {
     "dev": "vite build --watch",
diff --git a/packages/graphiql-react/package.json b/packages/graphiql-react/package.json
index 525d67a684..3f4326d71b 100644
--- a/packages/graphiql-react/package.json
+++ b/packages/graphiql-react/package.json
@@ -16,10 +16,7 @@
     "./package.json": "./package.json",
     "./style.css": "./dist/style.css",
     "./font/*": "./font/*",
-    ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js"
-    }
+    ".": "./dist/index.js"
   },
   "types": "dist/index.d.ts",
   "keywords": [
diff --git a/packages/graphiql/package.json b/packages/graphiql/package.json
index 24d04eac66..3b3749b319 100644
--- a/packages/graphiql/package.json
+++ b/packages/graphiql/package.json
@@ -17,6 +17,7 @@
     "url": "https://github.com/graphql/graphiql/issues?q=issue+label:graphiql"
   },
   "license": "MIT",
+  "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "files": [
     "dist",