diff --git a/package.json b/package.json
index 4ae62f3d7b7e..e99b199415a3 100644
--- a/package.json
+++ b/package.json
@@ -206,7 +206,7 @@
     "style-loader": "2.0.0",
     "stylus": "0.54.8",
     "stylus-loader": "4.3.3",
-    "symbol-observable": "3.0.0",
+    "symbol-observable": "4.0.0",
     "tar": "^6.0.0",
     "temp": "^0.9.0",
     "terser": "5.6.1",
diff --git a/packages/angular/cli/package.json b/packages/angular/cli/package.json
index d8e9d6c02cfc..36c737c6d1bf 100644
--- a/packages/angular/cli/package.json
+++ b/packages/angular/cli/package.json
@@ -43,7 +43,7 @@
     "resolve": "1.20.0",
     "rimraf": "3.0.2",
     "semver": "7.3.5",
-    "symbol-observable": "3.0.0",
+    "symbol-observable": "4.0.0",
     "uuid": "8.3.2"
   },
   "ng-update": {
diff --git a/packages/angular_devkit/architect_cli/package.json b/packages/angular_devkit/architect_cli/package.json
index debaac86f07f..e51f5539a88c 100644
--- a/packages/angular_devkit/architect_cli/package.json
+++ b/packages/angular_devkit/architect_cli/package.json
@@ -19,7 +19,7 @@
     "minimist": "1.2.5",
     "progress": "2.0.3",
     "rxjs": "6.6.7",
-    "symbol-observable": "3.0.0"
+    "symbol-observable": "4.0.0"
   },
   "devDependencies": {
     "@types/progress": "2.0.3"
diff --git a/packages/angular_devkit/schematics_cli/package.json b/packages/angular_devkit/schematics_cli/package.json
index 2f03a7af432c..8b3ec9b68821 100644
--- a/packages/angular_devkit/schematics_cli/package.json
+++ b/packages/angular_devkit/schematics_cli/package.json
@@ -21,6 +21,6 @@
     "ansi-colors": "4.1.1",
     "inquirer": "8.0.0",
     "minimist": "1.2.5",
-    "symbol-observable": "3.0.0"
+    "symbol-observable": "4.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 2fb58a8f85c0..88e59b814d25 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11633,10 +11633,10 @@ svgo@^2.3.0:
     csso "^4.2.0"
     stable "^0.1.8"
 
-symbol-observable@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-3.0.0.tgz#eea8f6478c651018e059044268375c408c15c533"
-  integrity sha512-6tDOXSHiVjuCaasQSWTmHUWn4PuG7qa3+1WT031yTc/swT7+rLiw3GOrFxaH1E3lLP09dH3bVuVDf2gK5rxG3Q==
+symbol-observable@4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-4.0.0.tgz#5b425f192279e87f2f9b937ac8540d1984b39205"
+  integrity sha512-b19dMThMV4HVFynSAM1++gBHAbk2Tc/osgLIBZMKsyqh34jb2e8Os7T6ZW/Bt3pJFdBTd2JwAnAAEQV7rSNvcQ==
 
 symbol-tree@^3.2.2:
   version "3.2.4"