diff --git a/packages-exp/analytics-compat/package.json b/packages-exp/analytics-compat/package.json
index 00b5c1b31b4..0a2dfb59be5 100644
--- a/packages-exp/analytics-compat/package.json
+++ b/packages-exp/analytics-compat/package.json
@@ -46,7 +46,7 @@
     "@firebase/analytics-exp": "0.0.900",
     "@firebase/analytics-types": "0.4.0",
     "@firebase/util": "0.3.4",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "nyc": {
     "extension": [
diff --git a/packages-exp/analytics-exp/package.json b/packages-exp/analytics-exp/package.json
index 5236fa833c4..c57c5afedc8 100644
--- a/packages-exp/analytics-exp/package.json
+++ b/packages-exp/analytics-exp/package.json
@@ -36,7 +36,7 @@
     "@firebase/logger": "0.2.6",
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/app-compat/package.json b/packages-exp/app-compat/package.json
index c4e718246ef..28cd8f7aa69 100644
--- a/packages-exp/app-compat/package.json
+++ b/packages-exp/app-compat/package.json
@@ -33,7 +33,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/logger": "0.2.6",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1",
+    "tslib": "^2.0.0",
     "dom-storage": "2.1.0",
     "xmlhttprequest": "1.8.0"
   },
diff --git a/packages-exp/app-exp/package.json b/packages-exp/app-exp/package.json
index 51983aadee7..d1f035ecc90 100644
--- a/packages-exp/app-exp/package.json
+++ b/packages-exp/app-exp/package.json
@@ -34,7 +34,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/logger": "0.2.6",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/auth-compat-exp/demo/package.json b/packages-exp/auth-compat-exp/demo/package.json
index 747a488de3c..2831ec7b786 100644
--- a/packages-exp/auth-compat-exp/demo/package.json
+++ b/packages-exp/auth-compat-exp/demo/package.json
@@ -22,7 +22,7 @@
     "@firebase/logger": "^0.2.2",
     "@firebase/util": "^0.3.0",
     "lerna": "^3.22.1",
-    "tslib": "1.14.1"
+    "tslib": "2.1.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/auth-compat-exp/demo/yarn.lock b/packages-exp/auth-compat-exp/demo/yarn.lock
index 4eb46812345..a07017ed68c 100644
--- a/packages-exp/auth-compat-exp/demo/yarn.lock
+++ b/packages-exp/auth-compat-exp/demo/yarn.lock
@@ -5161,16 +5161,21 @@ trim-off-newlines@^1.0.0:
   resolved "https://registry.npmjs.org/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz#9f9ba9d9efa8764c387698bcbfeb2c848f11adb3"
   integrity sha1-n5up2e+odkw4dpi8v+sshI8RrbM=
 
-tslib@1.14.1, tslib@^1.11.1, tslib@^1.9.0:
-  version "1.14.1"
-  resolved "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
-  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
-
 tslib@2.0.1:
   version "2.0.1"
   resolved "https://registry.npmjs.org/tslib/-/tslib-2.0.1.tgz#410eb0d113e5b6356490eec749603725b021b43e"
   integrity sha512-SgIkNheinmEBgx1IUNirK0TUD4X9yjjBRTqqjggWCU3pUEqIk3/Uwl3yRixYKT6WjQuGiwDv4NomL3wqRCj+CQ==
 
+tslib@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.npmjs.org/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
+
+tslib@^1.11.1, tslib@^1.9.0:
+  version "1.14.1"
+  resolved "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
diff --git a/packages-exp/auth-compat-exp/package.json b/packages-exp/auth-compat-exp/package.json
index c047a2d470a..61852577e37 100644
--- a/packages-exp/auth-compat-exp/package.json
+++ b/packages-exp/auth-compat-exp/package.json
@@ -32,7 +32,7 @@
     "@firebase/auth-exp": "0.0.900",
     "@firebase/component": "0.2.0",
     "@firebase/util": "0.3.4",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/auth-exp/demo/package.json b/packages-exp/auth-exp/demo/package.json
index 25bceaa84f6..9705c0ae189 100644
--- a/packages-exp/auth-exp/demo/package.json
+++ b/packages-exp/auth-exp/demo/package.json
@@ -20,7 +20,7 @@
     "@firebase/auth-exp": "0.0.900",
     "@firebase/logger": "0.2.6",
     "@firebase/util": "0.3.4",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/auth-exp/package.json b/packages-exp/auth-exp/package.json
index c0a3a0baeaa..1774f1509e7 100644
--- a/packages-exp/auth-exp/package.json
+++ b/packages-exp/auth-exp/package.json
@@ -48,7 +48,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
     "node-fetch": "2.6.1",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/functions-compat/package.json b/packages-exp/functions-compat/package.json
index 66527cfc52b..c22a2285baa 100644
--- a/packages-exp/functions-compat/package.json
+++ b/packages-exp/functions-compat/package.json
@@ -51,7 +51,7 @@
     "@firebase/functions-exp": "0.0.900",
     "@firebase/messaging-types": "0.5.0",
     "@firebase/util": "0.3.4",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "nyc": {
     "extension": [
diff --git a/packages-exp/functions-exp/package.json b/packages-exp/functions-exp/package.json
index d18081dc954..83e807a4600 100644
--- a/packages-exp/functions-exp/package.json
+++ b/packages-exp/functions-exp/package.json
@@ -55,7 +55,7 @@
     "@firebase/messaging-types": "0.5.0",
     "@firebase/util": "0.3.4",
     "node-fetch": "2.6.1",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "nyc": {
     "extension": [
diff --git a/packages-exp/installations-compat/package.json b/packages-exp/installations-compat/package.json
index 967edc4fe50..4596d762495 100644
--- a/packages-exp/installations-compat/package.json
+++ b/packages-exp/installations-compat/package.json
@@ -59,6 +59,6 @@
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
     "idb": "3.0.2",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   }
 }
diff --git a/packages-exp/installations-exp/package.json b/packages-exp/installations-exp/package.json
index e137fe32355..367e36554dd 100644
--- a/packages-exp/installations-exp/package.json
+++ b/packages-exp/installations-exp/package.json
@@ -58,6 +58,6 @@
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
     "idb": "3.0.2",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   }
 }
diff --git a/packages-exp/messaging-exp/package.json b/packages-exp/messaging-exp/package.json
index 37377cd7d1e..11e3da299fd 100644
--- a/packages-exp/messaging-exp/package.json
+++ b/packages-exp/messaging-exp/package.json
@@ -37,7 +37,7 @@
     "@firebase/messaging-types-exp": "0.0.900",
     "@firebase/util": "0.3.4",
     "idb": "3.0.2",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "devDependencies": {
     "@rollup/plugin-json": "4.1.0",
diff --git a/packages-exp/performance-exp/package.json b/packages-exp/performance-exp/package.json
index f27151b37dc..7f235968e74 100644
--- a/packages-exp/performance-exp/package.json
+++ b/packages-exp/performance-exp/package.json
@@ -37,7 +37,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/performance-types-exp": "0.0.900",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages-exp/remote-config-compat/package.json b/packages-exp/remote-config-compat/package.json
index 6984aa95f06..aa6853a7fd4 100644
--- a/packages-exp/remote-config-compat/package.json
+++ b/packages-exp/remote-config-compat/package.json
@@ -33,7 +33,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/logger": "0.2.6",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "devDependencies": {
     "rollup": "2.35.1",
diff --git a/packages-exp/remote-config-exp/package.json b/packages-exp/remote-config-exp/package.json
index 2e03a7483ad..1ce99c1de55 100644
--- a/packages-exp/remote-config-exp/package.json
+++ b/packages-exp/remote-config-exp/package.json
@@ -38,7 +38,7 @@
     "@firebase/logger": "0.2.6",
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/analytics/package.json b/packages/analytics/package.json
index 758c936459e..33f18ad0ac8 100644
--- a/packages/analytics/package.json
+++ b/packages/analytics/package.json
@@ -31,7 +31,7 @@
     "@firebase/logger": "0.2.6",
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/app/package.json b/packages/app/package.json
index 9d2399e1e92..6df44dc6c8e 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -32,7 +32,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/logger": "0.2.6",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1",
+    "tslib": "^2.0.0",
     "dom-storage": "2.1.0",
     "xmlhttprequest": "1.8.0"
   },
diff --git a/packages/component/package.json b/packages/component/package.json
index 455db8e4d40..95db9abfb7c 100644
--- a/packages/component/package.json
+++ b/packages/component/package.json
@@ -24,7 +24,7 @@
   },
   "dependencies": {
     "@firebase/util": "0.3.4",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/database/package.json b/packages/database/package.json
index 59d1e104fe7..6bed4b089c6 100644
--- a/packages/database/package.json
+++ b/packages/database/package.json
@@ -38,7 +38,7 @@
     "@firebase/component": "0.2.0",
     "@firebase/auth-interop-types": "0.1.5",
     "faye-websocket": "0.11.3",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "devDependencies": {
     "@firebase/app": "0.6.15",
diff --git a/packages/firestore/package.json b/packages/firestore/package.json
index 2909f33280d..dd242f5b152 100644
--- a/packages/firestore/package.json
+++ b/packages/firestore/package.json
@@ -70,7 +70,7 @@
     "@grpc/grpc-js": "^1.0.0",
     "@grpc/proto-loader": "^0.5.0",
     "node-fetch": "2.6.1",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "peerDependencies": {
     "@firebase/app": "0.x",
diff --git a/packages/functions/package.json b/packages/functions/package.json
index c9128a400cb..9ec9352895a 100644
--- a/packages/functions/package.json
+++ b/packages/functions/package.json
@@ -50,7 +50,7 @@
     "@firebase/functions-types": "0.4.0",
     "@firebase/messaging-types": "0.5.0",
     "node-fetch": "2.6.1",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "nyc": {
     "extension": [
diff --git a/packages/installations/package.json b/packages/installations/package.json
index c07fab31414..9cbd0b7587b 100644
--- a/packages/installations/package.json
+++ b/packages/installations/package.json
@@ -47,6 +47,6 @@
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
     "idb": "3.0.2",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   }
 }
diff --git a/packages/messaging/package.json b/packages/messaging/package.json
index b65682cc463..c94c5766052 100644
--- a/packages/messaging/package.json
+++ b/packages/messaging/package.json
@@ -32,7 +32,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
     "idb": "3.0.2",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "devDependencies": {
     "@firebase/app": "0.6.15",
diff --git a/packages/performance/package.json b/packages/performance/package.json
index 9bf593a8746..ef212734d68 100644
--- a/packages/performance/package.json
+++ b/packages/performance/package.json
@@ -32,7 +32,7 @@
     "@firebase/util": "0.3.4",
     "@firebase/performance-types": "0.0.13",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/remote-config/package.json b/packages/remote-config/package.json
index 825a3c1ab56..8132116ae2a 100644
--- a/packages/remote-config/package.json
+++ b/packages/remote-config/package.json
@@ -32,7 +32,7 @@
     "@firebase/remote-config-types": "0.1.9",
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/rxfire/package.json b/packages/rxfire/package.json
index ebb0b551e83..c3de6d0144d 100644
--- a/packages/rxfire/package.json
+++ b/packages/rxfire/package.json
@@ -32,7 +32,7 @@
     "test:browser:debug": "karma start --browsers=Chrome --auto-watch"
   },
   "dependencies": {
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "peerDependencies": {
     "firebase": ">=8.0.0",
diff --git a/packages/storage/package.json b/packages/storage/package.json
index e1cfba89e1f..424a1334a9a 100644
--- a/packages/storage/package.json
+++ b/packages/storage/package.json
@@ -35,7 +35,7 @@
     "@firebase/storage-types": "0.3.13",
     "@firebase/util": "0.3.4",
     "@firebase/component": "0.2.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "peerDependencies": {
     "@firebase/app": "0.x",
diff --git a/packages/template/package.json b/packages/template/package.json
index 459f8b3b0fb..6440e8da71e 100644
--- a/packages/template/package.json
+++ b/packages/template/package.json
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@firebase/template-types": "0.1.0",
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "license": "Apache-2.0",
   "devDependencies": {
diff --git a/packages/util/package.json b/packages/util/package.json
index eff43f1973f..45a571dfda3 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -22,7 +22,7 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "tslib": "^1.11.1"
+    "tslib": "^2.0.0"
   },
   "devDependencies": {
     "rollup": "2.35.1",