diff --git a/test/e2e/package-lock.json b/test/e2e/package-lock.json
index b2847868ff9d4..8ed457a71d150 100644
--- a/test/e2e/package-lock.json
+++ b/test/e2e/package-lock.json
@@ -1062,7 +1062,8 @@
 				"is-extglob": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
-					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
+					"optional": true
 				},
 				"is-glob": {
 					"version": "2.0.1",
@@ -4971,7 +4972,8 @@
 				},
 				"ansi-regex": {
 					"version": "2.1.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -4989,11 +4991,13 @@
 				},
 				"balanced-match": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"brace-expansion": {
 					"version": "1.1.11",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"balanced-match": "^1.0.0",
 						"concat-map": "0.0.1"
@@ -5006,15 +5010,18 @@
 				},
 				"code-point-at": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"concat-map": {
 					"version": "0.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"console-control-strings": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"core-util-is": {
 					"version": "1.0.2",
@@ -5117,7 +5124,8 @@
 				},
 				"inherits": {
 					"version": "2.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -5127,6 +5135,7 @@
 				"is-fullwidth-code-point": {
 					"version": "1.0.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -5139,17 +5148,20 @@
 				"minimatch": {
 					"version": "3.0.4",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
 				},
 				"minimist": {
 					"version": "0.0.8",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"minipass": {
 					"version": "2.3.5",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "^5.1.2",
 						"yallist": "^3.0.0"
@@ -5166,6 +5178,7 @@
 				"mkdirp": {
 					"version": "0.5.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -5238,7 +5251,8 @@
 				},
 				"number-is-nan": {
 					"version": "1.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -5248,6 +5262,7 @@
 				"once": {
 					"version": "1.4.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -5323,7 +5338,8 @@
 				},
 				"safe-buffer": {
 					"version": "5.1.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -5353,6 +5369,7 @@
 				"string-width": {
 					"version": "1.0.2",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -5370,6 +5387,7 @@
 				"strip-ansi": {
 					"version": "3.0.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -5408,11 +5426,13 @@
 				},
 				"wrappy": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"yallist": {
 					"version": "3.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				}
 			}
 		},
@@ -5522,6 +5542,7 @@
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
 			"integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
+			"optional": true,
 			"requires": {
 				"is-glob": "^2.0.0"
 			},
@@ -5529,12 +5550,14 @@
 				"is-extglob": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
-					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
+					"optional": true
 				},
 				"is-glob": {
 					"version": "2.0.1",
 					"resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
 					"integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
+					"optional": true,
 					"requires": {
 						"is-extglob": "^1.0.0"
 					}
@@ -5930,6 +5953,7 @@
 					"version": "0.4.2",
 					"resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
 					"integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
+					"optional": true,
 					"requires": {
 						"hoek": "0.9.x"
 					}
@@ -5946,7 +5970,8 @@
 				"hoek": {
 					"version": "0.9.1",
 					"resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
-					"integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU="
+					"integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
+					"optional": true
 				}
 			}
 		},
@@ -6949,9 +6974,9 @@
 			}
 		},
 		"lodash": {
-			"version": "4.17.14",
-			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
-			"integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw=="
+			"version": "4.17.20",
+			"resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+			"integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
 		},
 		"lodash._reinterpolate": {
 			"version": "3.0.0",
@@ -7695,20 +7720,13 @@
 			}
 		},
 		"node-slack-upload": {
-			"version": "1.2.1",
-			"resolved": "https://registry.npmjs.org/node-slack-upload/-/node-slack-upload-1.2.1.tgz",
-			"integrity": "sha1-fVLa5CCGJGFqlfjXPQ+oyS7J1Lg=",
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/node-slack-upload/-/node-slack-upload-2.0.0.tgz",
+			"integrity": "sha512-R70IyezM8E5UBKz4dS51tKqhaGJVWnYjqm4FyCgXSCVTvKAunbkQIJhLNbyi5RmvSTDL2EYUoJurexgRx9KMqA==",
 			"requires": {
-				"lodash": "^3.6.0",
+				"lodash": "^4.17.14",
 				"request": "^2.54.0",
 				"underscore.string": "^3.0.3"
-			},
-			"dependencies": {
-				"lodash": {
-					"version": "3.10.1",
-					"resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-					"integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
-				}
 			}
 		},
 		"node-watch": {
@@ -7739,6 +7757,7 @@
 			"version": "2.1.1",
 			"resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
 			"integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
+			"optional": true,
 			"requires": {
 				"remove-trailing-separator": "^1.0.1"
 			}
@@ -8102,7 +8121,8 @@
 				"is-extglob": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
-					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA="
+					"integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
+					"optional": true
 				},
 				"is-glob": {
 					"version": "2.0.1",
@@ -9654,7 +9674,8 @@
 		"remove-trailing-separator": {
 			"version": "1.1.0",
 			"resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
-			"integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8="
+			"integrity": "sha1-wkvOKig62tW8P1jg1IJJuSN52O8=",
+			"optional": true
 		},
 		"repeat-element": {
 			"version": "1.1.3",
@@ -10415,11 +10436,11 @@
 			"dependencies": {
 				"commander": {
 					"version": "2.15.1",
-					"bundled": true
+					"resolved": false
 				},
 				"config": {
 					"version": "1.28.0",
-					"bundled": true,
+					"resolved": false,
 					"requires": {
 						"json5": "0.4.0",
 						"os-homedir": "1.0.2"
@@ -10427,14 +10448,14 @@
 				},
 				"debug": {
 					"version": "3.1.0",
-					"bundled": true,
+					"resolved": false,
 					"requires": {
 						"ms": "2.0.0"
 					}
 				},
 				"glob": {
 					"version": "7.1.2",
-					"bundled": true,
+					"resolved": false,
 					"requires": {
 						"fs.realpath": "^1.0.0",
 						"inflight": "^1.0.4",
@@ -10446,11 +10467,11 @@
 				},
 				"json5": {
 					"version": "0.4.0",
-					"bundled": true
+					"resolved": false
 				},
 				"mocha": {
 					"version": "5.2.0",
-					"bundled": true,
+					"resolved": false,
 					"requires": {
 						"browser-stdout": "1.3.1",
 						"commander": "2.15.1",
@@ -10467,11 +10488,11 @@
 				},
 				"ms": {
 					"version": "2.0.0",
-					"bundled": true
+					"resolved": false
 				},
 				"supports-color": {
 					"version": "5.4.0",
-					"bundled": true,
+					"resolved": false,
 					"requires": {
 						"has-flag": "^3.0.0"
 					}
diff --git a/test/e2e/package.json b/test/e2e/package.json
index b3c35c598db68..f9db07add80c5 100644
--- a/test/e2e/package.json
+++ b/test/e2e/package.json
@@ -43,11 +43,11 @@
 		"grunt-concurrent": "^2.3.0",
 		"grunt-shell": "^1.1.2",
 		"junit-viewer": "4.9.6",
-		"lodash": "^4.13.1",
+		"lodash": "^4.17.20",
 		"mailosaur": "4.0.0",
 		"mocha": "^5.2.0",
 		"mocha-steps": "^1.1.0",
-		"node-slack-upload": "1.2.1",
+		"node-slack-upload": "2.0.0",
 		"png-itxt": "1.3.0",
 		"prettier": "github:automattic/calypso-prettier#503d7779",
 		"push-receiver": "^2.0.0",