diff --git a/bindings/matrix-sdk-crypto-nodejs/src/lib.rs b/bindings/matrix-sdk-crypto-nodejs/src/lib.rs
index 98a90bcea..540204be7 100644
--- a/bindings/matrix-sdk-crypto-nodejs/src/lib.rs
+++ b/bindings/matrix-sdk-crypto-nodejs/src/lib.rs
@@ -34,23 +34,23 @@ pub mod types;
 pub mod vodozemac;
 
 /// Object containing the versions of the Rust libraries we are using.
-#[napi(object)]
+#[napi]
 pub struct Versions {
     /// The version of the vodozemac crate.
     #[napi(getter)]
-    pub vodozemac: &'static str,
+    pub vodozemac: String,
 
     /// The version of the matrix-sdk-crypto crate.
     #[napi(getter)]
-    pub matrix_sdk_crypto: &'static str,
+    pub matrix_sdk_crypto: String,
 }
 
 /// Get the versions of the Rust libraries we are using.
 #[napi(js_name = "getVersions")]
 pub fn get_versions() -> Versions {
     Versions {
-        vodozemac: matrix_sdk_crypto::vodozemac::VERSION,
-        matrix_sdk_crypto: matrix_sdk_crypto::VERSION,
+        vodozemac: matrix_sdk_crypto::vodozemac::VERSION.to_owned(),
+        matrix_sdk_crypto: matrix_sdk_crypto::VERSION.to_owned(),
     }
 }
 
diff --git a/bindings/matrix-sdk-crypto-nodejs/tests/machine.test.js b/bindings/matrix-sdk-crypto-nodejs/tests/machine.test.js
index 50a4a83b9..86b93533b 100644
--- a/bindings/matrix-sdk-crypto-nodejs/tests/machine.test.js
+++ b/bindings/matrix-sdk-crypto-nodejs/tests/machine.test.js
@@ -36,8 +36,9 @@ describe("Versions", () => {
 
         expect(versions).toBeInstanceOf(Versions);
         expect(versions.vodozemac).toBeDefined();
-        expect(versions.matrix_sdk_crypto).toBeDefined();
+        expect(versions.matrixSdkCrypto).toBeDefined();
     });
+
 });
 
 describe(OlmMachine.name, () => {