diff --git a/e2e/animation-examples/package.json b/e2e/animation-examples/package.json
index 088616b84..b07894914 100644
--- a/e2e/animation-examples/package.json
+++ b/e2e/animation-examples/package.json
@@ -37,6 +37,7 @@
     "babel-traverse": "6.25.0",
     "babel-types": "6.25.0",
     "babylon": "6.17.4",
+    "chai": "^4.2.0",
     "lazy": "1.0.11",
     "mocha": "~5.2.0",
     "mochawesome": "~3.1.2",
diff --git a/e2e/modal-navigation-ng/package.json b/e2e/modal-navigation-ng/package.json
index fc6d57e7f..2f5dc0d09 100644
--- a/e2e/modal-navigation-ng/package.json
+++ b/e2e/modal-navigation-ng/package.json
@@ -37,6 +37,7 @@
     "babel-traverse": "6.26.0",
     "babel-types": "6.26.0",
     "babylon": "6.18.0",
+    "chai": "^4.2.0",
     "lazy": "1.0.11",
     "mocha": "~5.2.0",
     "mochawesome": "~3.1.2",
diff --git a/e2e/nested-router-tab-view/package.json b/e2e/nested-router-tab-view/package.json
index 22cf2c490..14bca4f88 100644
--- a/e2e/nested-router-tab-view/package.json
+++ b/e2e/nested-router-tab-view/package.json
@@ -31,6 +31,7 @@
     "babel-traverse": "6.26.0",
     "babel-types": "6.26.0",
     "babylon": "6.18.0",
+    "chai": "^4.2.0",
     "lazy": "1.0.11",
     "mocha": "~5.2.0",
     "mochawesome": "~3.1.2",
diff --git a/e2e/routable-animations/package.json b/e2e/routable-animations/package.json
index 6bdb89c01..204c8670b 100644
--- a/e2e/routable-animations/package.json
+++ b/e2e/routable-animations/package.json
@@ -31,6 +31,7 @@
     "babel-traverse": "6.25.0",
     "babel-types": "6.25.0",
     "babylon": "6.17.4",
+    "chai": "^4.2.0",
     "colors": "^1.1.2",
     "lazy": "1.0.11",
     "mocha": "~5.2.0",