diff --git a/src/ClientContext.tsx b/src/ClientContext.tsx
index 08eb91e..7000792 100644
--- a/src/ClientContext.tsx
+++ b/src/ClientContext.tsx
@@ -33,6 +33,7 @@ import {
   initClient,
   initMatroskaClient,
   defaultHomeserver,
+  CryptoStoreIntegrityError,
 } from "./matrix-utils";
 
 declare global {
@@ -115,28 +116,51 @@ export const ClientProvider: FC<Props> = ({ children }) => {
         // We're running as a standalone application
         try {
           const session = loadSession();
+          if (!session) return { client: undefined, isPasswordlessUser: false };
 
-          if (session) {
-            /* eslint-disable camelcase */
-            const { user_id, device_id, access_token, passwordlessUser } =
-              session;
+          logger.log("Using a standalone client");
 
-            logger.log("Using a standalone client");
-            const client = await initClient(
-              {
-                baseUrl: defaultHomeserver,
-                accessToken: access_token,
-                userId: user_id,
-                deviceId: device_id,
-              },
-              true
-            );
-            /* eslint-enable camelcase */
+          /* eslint-disable camelcase */
+          const { user_id, device_id, access_token, passwordlessUser } =
+            session;
 
-            return { client, isPasswordlessUser: passwordlessUser };
+          try {
+            return {
+              client: await initClient(
+                {
+                  baseUrl: defaultHomeserver,
+                  accessToken: access_token,
+                  userId: user_id,
+                  deviceId: device_id,
+                },
+                true
+              ),
+              isPasswordlessUser: passwordlessUser,
+            };
+          } catch (err) {
+            if (err instanceof CryptoStoreIntegrityError) {
+              // We can't use this session anymore, so let's log it out
+              try {
+                const client = await initClient(
+                  {
+                    baseUrl: defaultHomeserver,
+                    accessToken: access_token,
+                    userId: user_id,
+                    deviceId: device_id,
+                  },
+                  false // Don't need the crypto store just to log out
+                );
+                await client.logout(undefined, true);
+              } catch (err_) {
+                logger.warn(
+                  "The previous session was lost, and we couldn't log it out, " +
+                    "either"
+                );
+              }
+            }
+            throw err;
           }
-
-          return { client: undefined, isPasswordlessUser: false };
+          /* eslint-enable camelcase */
         } catch (err) {
           clearSession();
           throw err;
diff --git a/src/Facepile.tsx b/src/Facepile.tsx
index 2469892..bd3c9c6 100644
--- a/src/Facepile.tsx
+++ b/src/Facepile.tsx
@@ -16,7 +16,8 @@ limitations under the License.
 
 import React, { HTMLAttributes } from "react";
 import classNames from "classnames";
-import { MatrixClient, RoomMember } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 
 import styles from "./Facepile.module.css";
 import { Avatar, Size, sizes } from "./Avatar";
diff --git a/src/Header.tsx b/src/Header.tsx
index 0471526..4c796bf 100644
--- a/src/Header.tsx
+++ b/src/Header.tsx
@@ -3,7 +3,7 @@ import React, { HTMLAttributes, ReactNode, useCallback, useRef } from "react";
 import { Link } from "react-router-dom";
 import { useButton } from "@react-aria/button";
 import { AriaButtonProps } from "@react-types/button";
-import { Room } from "matrix-js-sdk";
+import { Room } from "matrix-js-sdk/src/models/room";
 
 import styles from "./Header.module.css";
 import { useModalTriggerState } from "./Modal";
diff --git a/src/IncompatibleVersionModal.tsx b/src/IncompatibleVersionModal.tsx
index 6cc5615..637859e 100644
--- a/src/IncompatibleVersionModal.tsx
+++ b/src/IncompatibleVersionModal.tsx
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { Room } from "matrix-js-sdk";
+import { Room } from "matrix-js-sdk/src/models/room";
 import React from "react";
 
 import { Modal, ModalContent } from "./Modal";
diff --git a/src/home/CallList.tsx b/src/home/CallList.tsx
index 8b25723..ddf6382 100644
--- a/src/home/CallList.tsx
+++ b/src/home/CallList.tsx
@@ -16,7 +16,8 @@ limitations under the License.
 
 import React from "react";
 import { Link } from "react-router-dom";
-import { MatrixClient, RoomMember } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 
 import { CopyButton } from "../button";
 import { Facepile } from "../Facepile";
diff --git a/src/home/RegisteredView.tsx b/src/home/RegisteredView.tsx
index 4d190dd..ea6aac2 100644
--- a/src/home/RegisteredView.tsx
+++ b/src/home/RegisteredView.tsx
@@ -21,7 +21,7 @@ import React, {
   FormEventHandler,
 } from "react";
 import { useHistory } from "react-router-dom";
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 
 import { createRoom, roomAliasLocalpartFromRoomName } from "../matrix-utils";
 import { useGroupCallRooms } from "./useGroupCallRooms";
diff --git a/src/home/useGroupCallRooms.ts b/src/home/useGroupCallRooms.ts
index cf15a26..b4011e5 100644
--- a/src/home/useGroupCallRooms.ts
+++ b/src/home/useGroupCallRooms.ts
@@ -14,7 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { GroupCall, MatrixClient, Room, RoomMember } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { GroupCall } from "matrix-js-sdk/src/webrtc/groupCall";
+import { Room } from "matrix-js-sdk/src/models/room";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { GroupCallEventHandlerEvent } from "matrix-js-sdk/src/webrtc/groupCallEventHandler";
 import { useState, useEffect } from "react";
 
diff --git a/src/profile/ProfileModal.tsx b/src/profile/ProfileModal.tsx
index 4f006c1..89f967b 100644
--- a/src/profile/ProfileModal.tsx
+++ b/src/profile/ProfileModal.tsx
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import React, { ChangeEvent, useCallback, useEffect, useState } from "react";
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 
 import { Button } from "../button";
 import { useProfile } from "./useProfile";
diff --git a/src/room/CallEndedView.tsx b/src/room/CallEndedView.tsx
index 7cb7cc2..c7371d6 100644
--- a/src/room/CallEndedView.tsx
+++ b/src/room/CallEndedView.tsx
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import React from "react";
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 
 import styles from "./CallEndedView.module.css";
 import { LinkButton } from "../button";
diff --git a/src/room/GroupCallInspector.tsx b/src/room/GroupCallInspector.tsx
index bffaadf..48d3d35 100644
--- a/src/room/GroupCallInspector.tsx
+++ b/src/room/GroupCallInspector.tsx
@@ -26,7 +26,8 @@ import React, {
 import ReactJson, { CollapsedFieldProps } from "react-json-view";
 import mermaid from "mermaid";
 import { Item } from "@react-stately/collections";
-import { MatrixEvent, GroupCall, IContent } from "matrix-js-sdk";
+import { MatrixEvent, IContent } from "matrix-js-sdk/src/models/event";
+import { GroupCall } from "matrix-js-sdk/src/webrtc/groupCall";
 import { ClientEvent, MatrixClient } from "matrix-js-sdk/src/client";
 import { RoomStateEvent } from "matrix-js-sdk/src/models/room-state";
 import { CallEvent } from "matrix-js-sdk/src/webrtc/call";
diff --git a/src/room/GroupCallLoader.tsx b/src/room/GroupCallLoader.tsx
index dcfbf48..8c13626 100644
--- a/src/room/GroupCallLoader.tsx
+++ b/src/room/GroupCallLoader.tsx
@@ -15,7 +15,8 @@ limitations under the License.
 */
 
 import React, { ReactNode } from "react";
-import { GroupCall, MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { GroupCall } from "matrix-js-sdk/src/webrtc/groupCall";
 
 import { useLoadGroupCall } from "./useLoadGroupCall";
 import { ErrorView, FullScreenView } from "../FullScreenView";
diff --git a/src/room/GroupCallView.tsx b/src/room/GroupCallView.tsx
index 2d5ee92..78e3c74 100644
--- a/src/room/GroupCallView.tsx
+++ b/src/room/GroupCallView.tsx
@@ -17,7 +17,7 @@ limitations under the License.
 import React, { useCallback, useEffect, useState } from "react";
 import { useHistory } from "react-router-dom";
 import { GroupCall, GroupCallState } from "matrix-js-sdk/src/webrtc/groupCall";
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 
 import { useGroupCall } from "./useGroupCall";
 import { ErrorView, FullScreenView } from "../FullScreenView";
diff --git a/src/room/InCallView.tsx b/src/room/InCallView.tsx
index 84c00d2..1ffd9be 100644
--- a/src/room/InCallView.tsx
+++ b/src/room/InCallView.tsx
@@ -16,7 +16,9 @@ limitations under the License.
 
 import React, { useCallback, useMemo, useRef } from "react";
 import { usePreventScroll } from "@react-aria/overlays";
-import { GroupCall, MatrixClient, RoomMember } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
+import { GroupCall } from "matrix-js-sdk/src/webrtc/groupCall";
 import { CallFeed } from "matrix-js-sdk/src/webrtc/callFeed";
 import classNames from "classnames";
 
diff --git a/src/room/PTTCallView.tsx b/src/room/PTTCallView.tsx
index dbdf90d..5f669b1 100644
--- a/src/room/PTTCallView.tsx
+++ b/src/room/PTTCallView.tsx
@@ -17,7 +17,9 @@ limitations under the License.
 import React, { useEffect } from "react";
 import useMeasure from "react-use-measure";
 import { ResizeObserver } from "@juggle/resize-observer";
-import { GroupCall, MatrixClient, RoomMember } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
+import { GroupCall } from "matrix-js-sdk/src/webrtc/groupCall";
 import { CallFeed } from "matrix-js-sdk/src/webrtc/callFeed";
 
 import { useDelayedState } from "../useDelayedState";
diff --git a/src/settings/submit-rageshake.ts b/src/settings/submit-rageshake.ts
index 8d3ce6d..26a0b60 100644
--- a/src/settings/submit-rageshake.ts
+++ b/src/settings/submit-rageshake.ts
@@ -16,7 +16,7 @@ limitations under the License.
 
 import { useCallback, useContext, useEffect, useState } from "react";
 import pako from "pako";
-import { MatrixEvent } from "matrix-js-sdk";
+import { MatrixEvent } from "matrix-js-sdk/src/models/event";
 import { OverlayTriggerState } from "@react-stately/overlays";
 import { MatrixClient, ClientEvent } from "matrix-js-sdk/src/client";
 
diff --git a/src/settings/useMediaHandler.tsx b/src/settings/useMediaHandler.tsx
index 05e8795..cf359f5 100644
--- a/src/settings/useMediaHandler.tsx
+++ b/src/settings/useMediaHandler.tsx
@@ -15,7 +15,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 import { MediaHandlerEvent } from "matrix-js-sdk/src/webrtc/mediaHandler";
 import React, {
   useState,
diff --git a/src/video-grid/VideoTileContainer.tsx b/src/video-grid/VideoTileContainer.tsx
index 55f15a4..25bd94a 100644
--- a/src/video-grid/VideoTileContainer.tsx
+++ b/src/video-grid/VideoTileContainer.tsx
@@ -17,7 +17,7 @@ limitations under the License.
 import { SDPStreamMetadataPurpose } from "matrix-js-sdk/src/webrtc/callEventTypes";
 import React from "react";
 import { useCallback } from "react";
-import { RoomMember } from "matrix-js-sdk";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 
 import { useCallFeed } from "./useCallFeed";
 import { useSpatialMediaStream } from "./useMediaStream";
diff --git a/src/video-grid/useCallFeed.ts b/src/video-grid/useCallFeed.ts
index c006740..1781dbf 100644
--- a/src/video-grid/useCallFeed.ts
+++ b/src/video-grid/useCallFeed.ts
@@ -16,7 +16,7 @@ limitations under the License.
 
 import { useState, useEffect } from "react";
 import { CallFeed, CallFeedEvent } from "matrix-js-sdk/src/webrtc/callFeed";
-import { RoomMember } from "matrix-js-sdk";
+import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { SDPStreamMetadataPurpose } from "matrix-js-sdk/src/webrtc/callEventTypes";
 
 interface CallFeedState {
diff --git a/src/video-grid/useRoomMemberName.ts b/src/video-grid/useRoomMemberName.ts
index f91363a..5824f4f 100644
--- a/src/video-grid/useRoomMemberName.ts
+++ b/src/video-grid/useRoomMemberName.ts
@@ -14,7 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { RoomMember, RoomMemberEvent } from "matrix-js-sdk";
+import {
+  RoomMember,
+  RoomMemberEvent,
+} from "matrix-js-sdk/src/models/room-member";
 import { useState, useEffect } from "react";
 
 interface RoomMemberName {