diff --git a/spec/unit/rust-crypto/rust-crypto.spec.ts b/spec/unit/rust-crypto/rust-crypto.spec.ts
index d8eae7f4d48..52376a03ff5 100644
--- a/spec/unit/rust-crypto/rust-crypto.spec.ts
+++ b/spec/unit/rust-crypto/rust-crypto.spec.ts
@@ -143,6 +143,13 @@ describe("RustCrypto", () => {
             10000,
         );
 
+        it("should return the current version of the rust sdk and vodozemac", async () => {
+            const versions = RustSdkCryptoJs.getVersions();
+            expect(rustCrypto.getVersion()).toBe(
+                `Rust SDK ${versions.matrix_sdk_crypto}, Vodozemac ${versions.vodozemac}`,
+            );
+        });
+
         it("should import and export keys", async () => {
             const someRoomKeys = testData.MEGOLM_SESSION_DATA_ARRAY;
             let importTotal = 0;
diff --git a/src/crypto-api.ts b/src/crypto-api.ts
index b698fc296e6..10555cc5858 100644
--- a/src/crypto-api.ts
+++ b/src/crypto-api.ts
@@ -39,6 +39,13 @@ export interface CryptoApi {
      */
     globalBlacklistUnverifiedDevices: boolean;
 
+    /**
+     * Return the current version of the Rust SDK and the Vodozemac library
+     * @returns the version in the format `Rust SDK ${versions.matrix_sdk_crypto}, Vodozemac ${versions.vodozemac}`
+     * XXXX: Remove `null` when the old crypto is removed
+     */
+    getVersion(): string | null;
+
     /**
      * Perform any background tasks that can be done before a message is ready to
      * send, in order to speed up sending of the message.
diff --git a/src/crypto/index.ts b/src/crypto/index.ts
index a2a6469feda..e559df50f17 100644
--- a/src/crypto/index.ts
+++ b/src/crypto/index.ts
@@ -610,6 +610,15 @@ export class Crypto extends TypedEventEmitter<CryptoEvent, CryptoEventHandlerMap
         this.backupManager.checkAndStart();
     }
 
+    /**
+     * Implementation of {@link CryptoApi#getVersion}.
+     */
+    public getVersion(): null {
+        // `Crypto.getOlmVersion()` is used by the old crypto
+        // This API is for the new crypto
+        return null;
+    }
+
     /**
      * Whether to trust a others users signatures of their devices.
      * If false, devices will only be considered 'verified' if we have
diff --git a/src/rust-crypto/rust-crypto.ts b/src/rust-crypto/rust-crypto.ts
index 378d79b579f..8900614c9d6 100644
--- a/src/rust-crypto/rust-crypto.ts
+++ b/src/rust-crypto/rust-crypto.ts
@@ -329,6 +329,14 @@ export class RustCrypto extends TypedEventEmitter<RustCryptoEvents, RustCryptoEv
 
     public globalBlacklistUnverifiedDevices = false;
 
+    /**
+     * Implementation of {@link CryptoApi#getVersion}.
+     */
+    public getVersion(): string {
+        const versions = RustSdkCryptoJs.getVersions();
+        return `Rust SDK ${versions.matrix_sdk_crypto}, Vodozemac ${versions.vodozemac}`;
+    }
+
     public prepareToEncrypt(room: Room): void {
         const encryptor = this.roomEncryptors[room.roomId];