diff --git a/.changeset/bright-falcons-move.md b/.changeset/bright-falcons-move.md
new file mode 100644
index 00000000000..23a46e89060
--- /dev/null
+++ b/.changeset/bright-falcons-move.md
@@ -0,0 +1,5 @@
+---
+"@clerk/clerk-js": patch
+---
+
+Fix bug where session.getToken() was reading a stale organization ID.
diff --git a/packages/clerk-js/src/core/resources/Session.ts b/packages/clerk-js/src/core/resources/Session.ts
index 6c676057635..7a32e025a5e 100644
--- a/packages/clerk-js/src/core/resources/Session.ts
+++ b/packages/clerk-js/src/core/resources/Session.ts
@@ -129,7 +129,7 @@ export class Session extends BaseResource implements SessionResource {
   // and retrieve it using the session id concatenated with the jwt template name.
   // e.g. session id is 'sess_abc12345' and jwt template name is 'haris'
   // The session token ID will be 'sess_abc12345' and the jwt template token ID will be 'sess_abc12345-haris'
-  #getCacheId(template?: string, organizationId?: string) {
+  #getCacheId(template?: string, organizationId?: string | null) {
     const resolvedOrganizationId =
       typeof organizationId === 'undefined' ? this.lastActiveOrganizationId : organizationId;
     return [this.id, template, resolvedOrganizationId, this.updatedAt.getTime()].filter(Boolean).join('-');
@@ -263,7 +263,7 @@ export class Session extends BaseResource implements SessionResource {
     // If no organization ID is provided, default to the selected organization in memory
     // Note: this explicitly allows passing `null` or `""`, which should select the personal workspace.
     const organizationId =
-      typeof options?.organizationId === 'undefined' ? Session.clerk.organization?.id : options?.organizationId;
+      typeof options?.organizationId === 'undefined' ? this.lastActiveOrganizationId : options?.organizationId;
 
     if (!template && Number(leewayInSeconds) >= 60) {
       throw new Error('Leeway can not exceed the token lifespan (60 seconds)');
@@ -273,7 +273,7 @@ export class Session extends BaseResource implements SessionResource {
     const cachedEntry = skipCache ? undefined : SessionTokenCache.get({ tokenId }, leewayInSeconds);
 
     // Dispatch tokenUpdate only for __session tokens with the session's active organization ID, and not JWT templates
-    const shouldDispatchTokenUpdate = !template && organizationId === Session.clerk.organization?.id;
+    const shouldDispatchTokenUpdate = !template && organizationId === this.lastActiveOrganizationId;
 
     if (cachedEntry) {
       const cachedToken = await cachedEntry.tokenResolver;
diff --git a/packages/clerk-js/src/core/resources/__tests__/Session.test.ts b/packages/clerk-js/src/core/resources/__tests__/Session.test.ts
index 03d56d2c11e..b9a3901dcc4 100644
--- a/packages/clerk-js/src/core/resources/__tests__/Session.test.ts
+++ b/packages/clerk-js/src/core/resources/__tests__/Session.test.ts
@@ -169,9 +169,7 @@ describe('Session', () => {
     });
 
     it('does not dispatch token:update when provided organization ID does not match current active organization', async () => {
-      BaseResource.clerk = clerkMock({
-        organization: new Organization({ id: 'anotherOrganization' } as OrganizationJSON),
-      }) as any;
+      BaseResource.clerk = clerkMock() as any;
 
       const session = new Session({
         status: 'active',
@@ -184,7 +182,7 @@ describe('Session', () => {
         updated_at: new Date().getTime(),
       } as SessionJSON);
 
-      await session.getToken({ organizationId: 'activeOrganization' });
+      await session.getToken({ organizationId: 'anotherOrganization' });
 
       expect(dispatchSpy).toHaveBeenCalledTimes(0);
     });
@@ -229,6 +227,29 @@ describe('Session', () => {
         expect(token).toEqual(null);
       });
     });
+
+    it(`uses the current session's lastActiveOrganizationId by default, not clerk.organization.id`, async () => {
+      BaseResource.clerk = clerkMock({
+        organization: new Organization({ id: 'oldActiveOrganization' } as OrganizationJSON),
+      }) as any;
+
+      const session = new Session({
+        status: 'active',
+        id: 'session_1',
+        object: 'session',
+        user: createUser({}),
+        last_active_organization_id: 'newActiveOrganization',
+        actor: null,
+        created_at: new Date().getTime(),
+        updated_at: new Date().getTime(),
+      } as SessionJSON);
+
+      await session.getToken();
+
+      expect((BaseResource.fapiClient.request as jest.Mock<any>).mock.calls[0][0]).toMatchObject({
+        body: { organizationId: 'newActiveOrganization' },
+      });
+    });
   });
 
   describe('isAuthorized()', () => {