diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 7ae8d477a..7b2a1ac67 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -9,6 +9,9 @@ Next
 2019.08.28.0
 ------------
 
+2019.08.28.0
+------------
+
 * Fix issue which prevented CoreOS nodes starting on Docker.
 
 2019.06.19.0
diff --git a/minidcos.rb b/minidcos.rb
index 5a758ca85..f9088e7a7 100644
--- a/minidcos.rb
+++ b/minidcos.rb
@@ -1,15 +1,15 @@
 class Minidcos < Formula
   include Language::Python::Virtualenv
 
-  url "https://codeload.github.com/dcos/dcos-e2e/legacy.tar.gz/2019.06.19.0"
+  url "https://codeload.github.com/dcos/dcos-e2e/legacy.tar.gz/2019.08.28.0"
   head "https://github.com/dcos/dcos-e2e.git"
   homepage "http://minidcos.readthedocs.io/en/latest/"
   depends_on "python3"
   depends_on "pkg-config"
 
   resource "adal" do
-    url "https://files.pythonhosted.org/packages/82/43/a1e4b7368eec9653660ee91f023af36056028cea97e3550f85866a0c3f2f/adal-1.2.1.tar.gz"
-    sha256 "b6edd095be66561382bdaa59d40b04490e93149fb3b7fa44c1fa5504eed5b8b9"
+    url "https://files.pythonhosted.org/packages/75/e2/c44b5e8d99544a2e21aace5f8390c6f3dbf8a952f0453779075ffafafc80/adal-1.2.2.tar.gz"
+    sha256 "5a7f1e037c6290c6d7609cab33a9e5e988c2fbec5c51d1c4c649ee3faff37eaf"
   end
 
   resource "asn1crypto" do
@@ -63,18 +63,18 @@ class Minidcos < Formula
   end
 
   resource "bcrypt" do
-    url "https://files.pythonhosted.org/packages/ce/3a/3d540b9f5ee8d92ce757eebacf167b9deedb8e30aedec69a2a072b2399bb/bcrypt-3.1.6.tar.gz"
-    sha256 "44636759d222baa62806bbceb20e96f75a015a6381690d1bc2eda91c01ec02ea"
+    url "https://files.pythonhosted.org/packages/fa/aa/025a3ab62469b5167bc397837c9ffc486c42a97ef12ceaa6699d8f5a5416/bcrypt-3.1.7.tar.gz"
+    sha256 "0b0069c752ec14172c5f78208f1863d7ad6755a6fae6fe76ec2c80d13be41e42"
   end
 
   resource "boto3" do
-    url "https://files.pythonhosted.org/packages/d5/44/43b3e08cdd01a72ffd38c1da9176ad72d69ba5dc2ee1e900faf7437ab288/boto3-1.9.167.tar.gz"
-    sha256 "60bbb64ca5ff05ec3aecca582e33b516e774c739fa9e9591c1e3db512e81bc49"
+    url "https://files.pythonhosted.org/packages/a2/28/f9a5b24e10ad896c9d875f54ac1294bfdb144770e8b3c82bd4b4925aa143/boto3-1.9.180.tar.gz"
+    sha256 "99e5d071332f176c32ced41902349fe760add1f02cc86de1d5ae4cf05ff7a6e7"
   end
 
   resource "botocore" do
-    url "https://files.pythonhosted.org/packages/5d/fe/908eb433da20377860ced579c3027b7543596b456f809228c229fc8b0381/botocore-1.12.167.tar.gz"
-    sha256 "d3424b05a13ac38efe225a2f75a72d3f949513980f737001ae9279edd81b1b31"
+    url "https://files.pythonhosted.org/packages/76/be/4df8e3539e32c569726da382aa0711d9ead3466a7c3943534526baacfc50/botocore-1.12.180.tar.gz"
+    sha256 "a2ceaa00724228a961ef6f97da60ab09f3161a76e2f3ae82a49be396ca1083fc"
   end
 
   resource "cachetools" do
@@ -133,8 +133,8 @@ class Minidcos < Formula
   end
 
   resource "docker" do
-    url "https://files.pythonhosted.org/packages/1b/c4/ec26a9c1245e96adc29f08bd67c8e17ef6c2b880b75c437b6ff10a58bd72/docker-4.0.1.tar.gz"
-    sha256 "f61c37d721b489b7d55ef631b241be2d6a5884c3ffe63dc8f7dd9a3c3cd60489"
+    url "https://files.pythonhosted.org/packages/6a/81/425eb2011e53b20e5245489ff02f27d434b165746831daf26f755402fa6c/docker-4.0.2.tar.gz"
+    sha256 "cc5b2e94af6a2b1e1ed9d7dcbdc77eff56c36081757baf9ada6e878ea0213164"
   end
 
   resource "docopt" do
@@ -143,8 +143,8 @@ class Minidcos < Formula
   end
 
   resource "docutils" do
-    url "https://files.pythonhosted.org/packages/84/f4/5771e41fdf52aabebbadecc9381d11dea0fa34e4759b4071244fa094804c/docutils-0.14.tar.gz"
-    sha256 "51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274"
+    url "https://files.pythonhosted.org/packages/93/22/953e071b589b0b1fee420ab06a0d15e5aa0c7470eb9966d60393ce58ad61/docutils-0.15.2.tar.gz"
+    sha256 "a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
   end
 
   resource "entrypoints" do
@@ -173,8 +173,8 @@ class Minidcos < Formula
   end
 
   resource "httplib2" do
-    url "https://files.pythonhosted.org/packages/5c/f3/7206894743389a4f727b73e6df4da60c9ee3cbef3f5afd82814592eafa8b/httplib2-0.13.0.tar.gz"
-    sha256 "d1146939d270f1f1eb8cbf8f5aa72ff37d897faccca448582bb1e180aeb4c6b2"
+    url "https://files.pythonhosted.org/packages/78/23/bb9606e87a66fd8c72a2b1a75b049d3859a122bc2648915be845bc44e04f/httplib2-0.13.1.tar.gz"
+    sha256 "6901c8c0ffcf721f9ce270ad86da37bc2b4d32b8802d4a9cec38274898a64044"
   end
 
   resource "idna" do
@@ -183,8 +183,8 @@ class Minidcos < Formula
   end
 
   resource "importlib-metadata" do
-    url "https://files.pythonhosted.org/packages/fd/5c/9caf9fe3d92afc3c0296c97b0fd72cacfcaf20e8b2c42306840914e052fa/importlib_metadata-0.18.tar.gz"
-    sha256 "cb6ee23b46173539939964df59d3d72c3e0c1b5d54b84f1d8a7e912fe43612db"
+    url "https://files.pythonhosted.org/packages/27/49/58d50a592d99a6bf58c4c1b02b203a48357a74e33922a9d021fda07d4ce3/importlib_metadata-0.19.tar.gz"
+    sha256 "23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8"
   end
 
   resource "isodate" do
@@ -193,8 +193,8 @@ class Minidcos < Formula
   end
 
   resource "jeepney" do
-    url "https://files.pythonhosted.org/packages/16/1d/74adf3b164a8d19a60d0fcf706a751ffa2a1eaa8e5bbb1b6705c92a05263/jeepney-0.4.tar.gz"
-    sha256 "6089412a5de162c04747f0220f6b2223b8ba660acd041e52a76426ca550e3c70"
+    url "https://files.pythonhosted.org/packages/3a/b6/28c665d48e48b5b7e6a26853d6b4595c4031de7798a6c4985b14492ebd14/jeepney-0.4.1.tar.gz"
+    sha256 "13806f91a96e9b2623fd2a81b950d763ee471454aafd9eb6d75dbe7afce428fb"
   end
 
   resource "jmespath" do
@@ -218,13 +218,13 @@ class Minidcos < Formula
   end
 
   resource "more-itertools" do
-    url "https://files.pythonhosted.org/packages/29/ed/3a85eb4afdce6dc33e78dad885e17c678db8055bf65353e0de4944c72a40/more-itertools-7.0.0.tar.gz"
-    sha256 "c3e4748ba1aad8dba30a4886b0b1a2004f9a863837b8654e7059eebf727afa5a"
+    url "https://files.pythonhosted.org/packages/c2/31/45f61c8927c9550109f1c4b99ba3ca66d328d889a9c9853a808bff1c9fa0/more-itertools-7.2.0.tar.gz"
+    sha256 "409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832"
   end
 
   resource "msrest" do
-    url "https://files.pythonhosted.org/packages/b5/81/d8db26695224ef4fd60d167a8b4d52257efa2a79f8135247a6768f620c58/msrest-0.6.7.tar.gz"
-    sha256 "05538c68251eb0c81bd2010524d8ff36d4266ec0669338fbdcecfd23c733231c"
+    url "https://files.pythonhosted.org/packages/35/0d/21ca79b0bec654e0e0d30d68c56bacc554baf60c1f64989281719c908fbb/msrest-0.6.9.tar.gz"
+    sha256 "27589fb400da7e1a98778688f70a0099e4fc6fea59d0f4835b4fbdad3bb8a6d9"
   end
 
   resource "msrestazure" do
@@ -238,18 +238,18 @@ class Minidcos < Formula
   end
 
   resource "oauthlib" do
-    url "https://files.pythonhosted.org/packages/ec/90/882f43232719f2ebfbdbe8b7c57fc9642a25b3df30cb70a3701ea22622de/oauthlib-3.0.1.tar.gz"
-    sha256 "0ce32c5d989a1827e3f1148f98b9085ed2370fc939bf524c9c851d8714797298"
+    url "https://files.pythonhosted.org/packages/fc/c7/829c73c64d3749da7811c06319458e47f3461944da9d98bb4df1cb1598c2/oauthlib-3.1.0.tar.gz"
+    sha256 "bee41cc35fcca6e988463cacc3bcb8a96224f470ca547e697b604cc697b2f889"
   end
 
   resource "packaging" do
-    url "https://files.pythonhosted.org/packages/16/51/d72654dbbaa4a4ffbf7cb0ecd7d12222979e0a660bf3f42acc47550bf098/packaging-19.0.tar.gz"
-    sha256 "0c98a5d0be38ed775798ece1b9727178c4469d9c3b4ada66e8e6b7849f8732af"
+    url "https://files.pythonhosted.org/packages/8b/3a/5bfe64c319be5775ed7ea3bc1a8e5667e0d57a740cc0498ce03e032eaf93/packaging-19.1.tar.gz"
+    sha256 "c491ca87294da7cc01902edbe30a5bc6c4c28172b5138ab4e4aa1b9d7bfaeafe"
   end
 
   resource "paramiko" do
-    url "https://files.pythonhosted.org/packages/0e/29/aa6647f283796ff1c46747ee8e69092390116cd86c7c660247ef0d56a146/paramiko-2.5.0.tar.gz"
-    sha256 "9f081281064b5180dc0ef60e256224a280ff16f603a99f3dd4ba6334ebb65f7e"
+    url "https://files.pythonhosted.org/packages/54/68/dde7919279d4ecdd1607a7eb425a2874ccd49a73a5a71f8aa4f0102d3eb8/paramiko-2.6.0.tar.gz"
+    sha256 "f4b2edfa0d226b70bd4ca31ea7e389325990283da23465d572ed1f70a7583041"
   end
 
   resource "passlib" do
@@ -268,13 +268,13 @@ class Minidcos < Formula
   end
 
   resource "pyasn1" do
-    url "https://files.pythonhosted.org/packages/46/60/b7e32f6ff481b8a1f6c8f02b0fd9b693d1c92ddd2efb038ec050d99a7245/pyasn1-0.4.5.tar.gz"
-    sha256 "da2420fe13a9452d8ae97a0e478adde1dee153b11ba832a95b223a2ba01c10f7"
+    url "https://files.pythonhosted.org/packages/e3/12/dfffc84b783e280e942409d6b651fe4a5a746433c34589da7362db2c99c6/pyasn1-0.4.6.tar.gz"
+    sha256 "b773d5c9196ffbc3a1e13bdf909d446cad80a039aa3340bcad72f395b76ebc86"
   end
 
   resource "pyasn1-modules" do
-    url "https://files.pythonhosted.org/packages/ec/0b/69620cb04a016e4a1e8e352e8a42717862129b574b3479adb2358a1f12f7/pyasn1-modules-0.2.5.tar.gz"
-    sha256 "ef721f68f7951fab9b0404d42590f479e30d9005daccb1699b0a51bb4177db96"
+    url "https://files.pythonhosted.org/packages/f1/a9/a1ef72a0e43feff643cf0130a08123dea76205e7a0dda37e3efb5f054a31/pyasn1-modules-0.2.6.tar.gz"
+    sha256 "43c17a83c155229839cc5c6b868e8d0c6041dba149789b6d6e28801c64821722"
   end
 
   resource "pycparser" do
@@ -293,13 +293,13 @@ class Minidcos < Formula
   end
 
   resource "pyparsing" do
-    url "https://files.pythonhosted.org/packages/5d/3a/24d275393f493004aeb15a1beae2b4a3043526e8b692b65b4a9341450ebe/pyparsing-2.4.0.tar.gz"
-    sha256 "1873c03321fc118f4e9746baf201ff990ceb915f433f23b395f5580d1840cb2a"
+    url "https://files.pythonhosted.org/packages/7e/24/eaa8d7003aee23eda270099eeec754d7bf4399f75c6a011ef948304f66a2/pyparsing-2.4.2.tar.gz"
+    sha256 "6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80"
   end
 
   resource "pytest" do
-    url "https://files.pythonhosted.org/packages/80/0f/6e9c66f70c16dff5b31a1493fea55ecd5b8fc138fe6a21c21365c33b5d62/pytest-4.6.3.tar.gz"
-    sha256 "4a784f1d4f2ef198fe9b7aef793e9fa1a3b2f84e822d9b3a64a181293a572d45"
+    url "https://files.pythonhosted.org/packages/b7/a9/e64eae45880d383120ef258e23136c74ecd0757ecae84491b578eabaa562/pytest-5.0.0.tar.gz"
+    sha256 "95b700cf21ed5b7e91bce7a6b5a573b2e3ef7b3643d00f681d8f9c4672f9fbdf"
   end
 
   resource "python-dateutil" do
@@ -383,8 +383,8 @@ class Minidcos < Formula
   end
 
   resource "tqdm" do
-    url "https://files.pythonhosted.org/packages/36/64/071ce46cbb8cd02e5fa88cc6abf31e51724db858a5ffb3f56dc1c6311f3a/tqdm-4.32.1.tar.gz"
-    sha256 "0a860bf2683fdbb4812fe539a6c22ea3f1777843ea985cb8c3807db448a0f7ab"
+    url "https://files.pythonhosted.org/packages/d0/0a/50a145091ce0c02db89d0342a59327c1ddeee206ef2991f09158d4e52406/tqdm-4.32.2.tar.gz"
+    sha256 "25d4c0ea02a305a688e7e9c2cdc8f862f989ef2a4701ab28ee963295f5b109ab"
   end
 
   resource "uritemplate" do
@@ -408,8 +408,8 @@ class Minidcos < Formula
   end
 
   resource "zipp" do
-    url "https://files.pythonhosted.org/packages/f9/c4/15a1260171956ed4f8190962b1771c7dbca4a39360c15f9c2b77e667a489/zipp-0.5.1.tar.gz"
-    sha256 "ca943a7e809cc12257001ccfb99e3563da9af99d52f261725e96dfe0f9275bc3"
+    url "https://files.pythonhosted.org/packages/57/dd/585d728479d97d25aeeb9aa470d36a4ad8d0ba5610f84e14770128ce6ff7/zipp-0.6.0.tar.gz"
+    sha256 "3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e"
   end
 
 
diff --git a/vagrant/Vagrantfile b/vagrant/Vagrantfile
index 066756dc5..3bd018c29 100644
--- a/vagrant/Vagrantfile
+++ b/vagrant/Vagrantfile
@@ -2,7 +2,7 @@
 # vi: set ft=ruby :
 
 # The next line is managed by `admin/release.py` - check there before modifying
-DEFAULT_DCOS_E2E_REF = '2019.06.19.0'
+DEFAULT_DCOS_E2E_REF = '2019.08.28.0'
 
 dcos_e2e_git_ref = ENV.fetch('DCOS_E2E_REF', DEFAULT_DCOS_E2E_REF)