diff --git a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/proxy_spec.ts b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/proxy_spec.ts
index 4f1db1d17b17..a4cafd66ee06 100644
--- a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/proxy_spec.ts
+++ b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/proxy_spec.ts
@@ -15,8 +15,17 @@ import { SSRDevServerBuilderOutput } from '../index';
 
 describe('Serve SSR Builder', () => {
   const target = { project: 'app', target: 'serve-ssr' };
+  const originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
   let architect: Architect;
 
+  beforeAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100_000;
+  });
+
+  afterAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout;
+  });
+
   beforeEach(async () => {
     await host.initialize().toPromise();
     architect = (await createArchitect(host.root())).architect;
diff --git a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/ssl_spec.ts b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/ssl_spec.ts
index 6182b2e2baba..3792d87f839c 100644
--- a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/ssl_spec.ts
+++ b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/ssl_spec.ts
@@ -15,8 +15,17 @@ import { SSRDevServerBuilderOutput } from '../index';
 
 describe('Serve SSR Builder', () => {
   const target = { project: 'app', target: 'serve-ssr' };
+  const originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
   let architect: Architect;
 
+  beforeAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100_000;
+  });
+
+  afterAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout;
+  });
+
   beforeEach(async () => {
     await host.initialize().toPromise();
     architect = (await createArchitect(host.root())).architect;
diff --git a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/works_spec.ts b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/works_spec.ts
index 5944eb31c09d..8e92c4d666e3 100644
--- a/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/works_spec.ts
+++ b/packages/angular_devkit/build_angular/src/builders/ssr-dev-server/specs/works_spec.ts
@@ -14,8 +14,17 @@ import { SSRDevServerBuilderOutput } from '../index';
 
 describe('Serve SSR Builder', () => {
   const target = { project: 'app', target: 'serve-ssr' };
+  const originalTimeout = jasmine.DEFAULT_TIMEOUT_INTERVAL;
   let architect: Architect;
 
+  beforeAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = 100_000;
+  });
+
+  afterAll(() => {
+    jasmine.DEFAULT_TIMEOUT_INTERVAL = originalTimeout;
+  });
+
   beforeEach(async () => {
     await host.initialize().toPromise();
     architect = (await createArchitect(host.root())).architect;