diff --git a/test/test_packages/yarn_massive_math/package.json b/test/test_packages/yarn_massive_math/package.json
index b97dc29..dafda1e 100644
--- a/test/test_packages/yarn_massive_math/package.json
+++ b/test/test_packages/yarn_massive_math/package.json
@@ -22,7 +22,7 @@
     "@angular/platform-webworker": "^10.2.5",
     "@angular/platform-webworker-dynamic": "^10.2.5",
     "@angular/http": "^7.2.16",
-    "@angular/service-worker": "^19.1.5",
+    "@angular/service-worker": "^20.3.25",
     "@angular/compiler-cli": "^19.1.5",
     "@angular/language-service": "^19.1.5",
     "@angular/upgrade": "^19.1.5",
diff --git a/test/test_packages/yarn_massive_math/yarn.lock b/test/test_packages/yarn_massive_math/yarn.lock
index e14f801..85cf5d3 100644
--- a/test/test_packages/yarn_massive_math/yarn.lock
+++ b/test/test_packages/yarn_massive_math/yarn.lock
@@ -334,10 +334,10 @@
   dependencies:
     tslib "^2.3.0"
 
-"@angular/service-worker@^19.1.5":
-  version "19.1.5"
-  resolved "https://registry.yarnpkg.com/@angular/service-worker/-/service-worker-19.1.5.tgz#b6d2a7b6b76f92d608e09714f4d69ae13ed61fae"
-  integrity sha512-luehWWljoNosHD24Ko/iMNrAs/jwGgvVM02TJBDksuOSMQiwpH0x9J+Mx0bDnCMZ3ieBVtROEXQhXAif2AVZEg==
+"@angular/service-worker@^20.3.25":
+  version "20.3.25"
+  resolved "https://registry.yarnpkg.com/@angular/service-worker/-/service-worker-20.3.25.tgz#7ed3309328630656cc40c2ae61d6597ae55f1e71"
+  integrity sha512-E9fS9/dukaoOaXxaa6l2BNFvOIJS1j+t+h7ZqU2PITbSqB4F8Go4XBA1bvXBKYcJUX6oaByD0Mu2yy3+mznjGQ==
   dependencies:
     tslib "^2.3.0"