diff --git a/packages/client-runtime/src/connection/registry.test.ts b/packages/client-runtime/src/connection/registry.test.ts
index 821e244fd544f7bc9c7de801a74646aefd51466e..18d1f062f04394668f61a0dc9ba719ac08aba154 100644
--- a/packages/client-runtime/src/connection/registry.test.ts
+++ b/packages/client-runtime/src/connection/registry.test.ts
@@ -1410,6 +1410,48 @@ describe("EnvironmentRegistry", () => {
     }),
   );
 
+  // The desktop rotates the bootstrap token, so the renderer exchanges it again
+  // and the server revokes the old bearer while the socket stays open. HTTP
+  // reads such as the session's scopes must move to the new bearer (#13324).
+  it.effect("a replaced platform bearer reaches a connected session's HTTP requests", () =>
+    Effect.gen(function* () {
+      const harness = yield* makeHarness([]);
+
+      yield* Effect.gen(function* () {
+        const registry = yield* EnvironmentRegistry.EnvironmentRegistry;
+        const registration = (token: string) =>
+          new BearerConnectionRegistration({
+            target: BEARER_TARGET,
+            profile: BEARER_PROFILE,
+            credential: new BearerConnectionCredential({ token }),
+          });
+        const preparedToken = registry.run(
+          BEARER_TARGET.environmentId,
+          EnvironmentSupervisor.EnvironmentSupervisor.pipe(
+            Effect.flatMap((supervisor) => SubscriptionRef.get(supervisor.prepared)),
+            Effect.map((prepared) =>
+              Option.isSome(prepared) && prepared.value.httpAuthorization?._tag === "Bearer"
+                ? prepared.value.httpAuthorization.token
+                : null,
+            ),
+          ),
+        );
+        yield* registry.reconcilePlatform([registration("old-bearer")]);
+        yield* awaitConnectionState(
+          registry,
+          BEARER_TARGET.environmentId,
+          (state) => state.phase === "connected",
+        );
+        expect(yield* preparedToken).toBe("old-bearer");
+
+        yield* registry.reconcilePlatform([registration("new-bearer")]);
+
+        expect(yield* preparedToken).toBe("new-bearer");
+        expect(yield* Ref.get(harness.sessions)).toHaveLength(1);
+      }).pipe(Effect.provide(harness.layer), Effect.scoped);
+    }),
+  );
+
   it.effect("a bearer replaced while an attempt is in flight retries with the new one", () =>
     Effect.gen(function* () {
       const attemptStarted = yield* Deferred.make<void>();
diff --git a/packages/client-runtime/src/connection/registry.ts b/packages/client-runtime/src/connection/registry.ts
index caead65758df899ed3976bc648ceeb0129721e93..501a19bb0b9e0be7533bcdfc0746a5f41b1b6ef9 100644
--- a/packages/client-runtime/src/connection/registry.ts
+++ b/packages/client-runtime/src/connection/registry.ts
@@ -47,6 +47,7 @@ import {
   RELAY_ROUTE_ID,
   connectionRouteId,
   connectionRoutes,
+  credentialConnectionId,
   entryWithRoutes,
   findRouteToSameAddress,
   mergeLearnedRoutes,
@@ -712,8 +713,10 @@ export const make = Effect.gen(function* () {
           // the equivalent runtime. Anything not yet connected may be using the
           // old bearer: an attempt in flight would fail with it and then wait
           // blocked for a manual retry. Retry with the new one instead. A
-          // connected session keeps its socket.
-          if (bearerReplaced) {
+          // connected session keeps its socket, but the server revoked the old
+          // bearer, so its HTTP requests (such as the session's scopes) move to
+          // the new one.
+          if (bearerReplaced && registration._tag === "BearerConnectionRegistration") {
             const scope = (yield* SubscriptionRef.get(serviceScopes)).get(target.environmentId);
             if (scope !== undefined) {
               const state = yield* SubscriptionRef.get(scope.supervisor.state);
@@ -725,6 +728,23 @@ export const make = Effect.gen(function* () {
                   state.lastFailure.reason === "authentication")
               ) {
                 yield* scope.supervisor.retryNow;
+              } else if (state.phase === "connected") {
+                const token = registration.credential.token;
+                yield* SubscriptionRef.updateSome(scope.supervisor.prepared, (current) =>
+                  Option.isSome(current) &&
+                  current.value.target._tag === "BearerConnectionTarget" &&
+                  credentialConnectionId(current.value.target.connectionId) ===
+                    registration.target.connectionId &&
+                  current.value.httpAuthorization?._tag === "Bearer" &&
+                  current.value.httpAuthorization.token !== token
+                    ? Option.some(
+                        Option.some({
+                          ...current.value,
+                          httpAuthorization: { _tag: "Bearer", token },
+                        }),
+                      )
+                    : Option.none(),
+                );
               }
             }
           }