diff --git a/packages/doenetml-iframe/vite.config.ts b/packages/doenetml-iframe/vite.config.ts
index dd5144871..da47505c4 100644
--- a/packages/doenetml-iframe/vite.config.ts
+++ b/packages/doenetml-iframe/vite.config.ts
@@ -2,6 +2,7 @@ import { defineConfig } from "vite";
 import dts from "vite-plugin-dts";
 import { viteStaticCopy } from "vite-plugin-static-copy";
 import { createPackageJsonTransformer } from "../../scripts/transform-package-json";
+import { version } from "./package.json";
 
 // These are the dependencies that will not be bundled into the library.
 const EXTERNAL_DEPS = ["react", "react-dom"];
@@ -46,6 +47,6 @@ export default defineConfig({
     },
     define: {
         "process.env.NODE_ENV": '"production"',
-        IFRAME_VERSION: JSON.stringify(process.env.npm_package_version),
+        IFRAME_VERSION: JSON.stringify(version),
     },
 });
diff --git a/packages/doenetml/vite.config.ts b/packages/doenetml/vite.config.ts
index 8fe1a1783..5b8593a8b 100644
--- a/packages/doenetml/vite.config.ts
+++ b/packages/doenetml/vite.config.ts
@@ -6,6 +6,7 @@ import { createRequire } from "module";
 const require = createRequire(import.meta.url);
 import dts from "vite-plugin-dts";
 import { createPackageJsonTransformer } from "../../scripts/transform-package-json";
+import { version } from "./package.json";
 
 // These are the dependencies that will not be bundled into the library.
 const EXTERNAL_DEPS = ["react", "react-dom", "styled-components"];
@@ -40,7 +41,7 @@ export default defineConfig({
         }),
     ],
     define: {
-        DOENETML_VERSION: JSON.stringify(process.env.npm_package_version),
+        DOENETML_VERSION: JSON.stringify(version),
     },
     server: {
         port: 8012,
diff --git a/packages/standalone/vite.config.ts b/packages/standalone/vite.config.ts
index 322c412f3..91aae4dee 100644
--- a/packages/standalone/vite.config.ts
+++ b/packages/standalone/vite.config.ts
@@ -2,6 +2,7 @@ import { defineConfig } from "vite";
 import dts from "vite-plugin-dts";
 import { viteStaticCopy } from "vite-plugin-static-copy";
 import { createPackageJsonTransformer } from "../../scripts/transform-package-json";
+import { version } from "./package.json";
 
 // These are the dependencies that will not be bundled into the library.
 const EXTERNAL_DEPS = [];
@@ -39,6 +40,6 @@ export default defineConfig({
     },
     define: {
         "process.env.NODE_ENV": '"production"',
-        STANDALONE_VERSION: JSON.stringify(process.env.npm_package_version),
+        STANDALONE_VERSION: JSON.stringify(version),
     },
 });