diff --git a/packages/firestore/package.json b/packages/firestore/package.json
index 23ce4bc81e2..26d05292afe 100644
--- a/packages/firestore/package.json
+++ b/packages/firestore/package.json
@@ -112,7 +112,7 @@
     "@firebase/app": "0.10.0",
     "@firebase/app-compat": "0.2.30",
     "@firebase/auth": "1.7.0",
-    "@rollup/plugin-alias": "3.1.9",
+    "@rollup/plugin-alias": "5.1.0",
     "@rollup/plugin-json": "4.1.0",
     "@types/eslint": "7.29.0",
     "@types/json-stable-stringify": "1.0.34",
diff --git a/packages/storage/package.json b/packages/storage/package.json
index 3174702187b..886ce50292e 100644
--- a/packages/storage/package.json
+++ b/packages/storage/package.json
@@ -58,7 +58,7 @@
     "@firebase/app": "0.10.0",
     "@firebase/auth": "1.7.0",
     "rollup": "2.79.1",
-    "@rollup/plugin-alias": "3.1.9",
+    "@rollup/plugin-alias": "5.1.0",
     "@rollup/plugin-json": "4.1.0",
     "rollup-plugin-typescript2": "0.31.2",
     "typescript": "4.7.4"
diff --git a/yarn.lock b/yarn.lock
index a7bb7754f0b..504c66bad2d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2964,12 +2964,12 @@
   resolved "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz"
   integrity sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=
 
-"@rollup/plugin-alias@3.1.9":
-  version "3.1.9"
-  resolved "https://registry.npmjs.org/@rollup/plugin-alias/-/plugin-alias-3.1.9.tgz"
-  integrity sha512-QI5fsEvm9bDzt32k39wpOwZhVzRcL5ydcffUHMyLVaVaLeC70I8TJZ17F1z1eMoLu4E/UOcH9BWVkKpIKdrfiw==
+"@rollup/plugin-alias@5.1.0":
+  version "5.1.0"
+  resolved "https://registry.npmjs.org/@rollup/plugin-alias/-/plugin-alias-5.1.0.tgz#99a94accc4ff9a3483be5baeedd5d7da3b597e93"
+  integrity sha512-lpA3RZ9PdIG7qqhEfv79tBffNaoDuukFDrmhLqg9ifv99u/ehn+lOg30x2zmhf8AQqQUZaMk/B9fZraQ6/acDQ==
   dependencies:
-    slash "^3.0.0"
+    slash "^4.0.0"
 
 "@rollup/plugin-commonjs@21.1.0":
   version "21.1.0"
@@ -15361,6 +15361,11 @@ slash@^3.0.0:
   resolved "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz"
   integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
 
+slash@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.npmjs.org/slash/-/slash-4.0.0.tgz#2422372176c4c6c5addb5e2ada885af984b396a7"
+  integrity sha512-3dOsAHXXUkQTpOYcoAxLIorMTp4gIQr5IW3iVb7A7lFIp0VHhnynm9izx6TssdrIcVIESAlVjtnO2K8bg+Coew==
+
 slice-ansi@0.0.4:
   version "0.0.4"
   resolved "https://registry.npmjs.org/slice-ansi/-/slice-ansi-0.0.4.tgz"