diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 861595f..b75d425 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -37,9 +37,8 @@ brew cask install vagrant
 Now you can setup your virtual environment for testing:
 
 ```bash
-virtualenv --python=$(which python2.7) .venv
-source .venv/bin/activate
-pip install --no-deps -r tests/test-requirements.txt
+pip install -U pipenv
+pipenv install --dev
 ```
 
 Run the full lifecycle test on a given `<PLATFORM>`. Allowed values for
@@ -47,7 +46,7 @@ Run the full lifecycle test on a given `<PLATFORM>`. Allowed values for
 
 ```bash
 source molecule/<PLATFORM>.sh
-molecule test
+pipenv run molecule test
 ```
 
 Unset the `MOLECULE_` environment variables:
@@ -56,6 +55,12 @@ Unset the `MOLECULE_` environment variables:
 source molecule/unset.sh
 ```
 
+Check for security vulnerabilities in the dependencies:
+
+```bash
+pipenv check
+```
+
 What if I just have a question?
 -------------------------------
 
diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..a3f4339
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,16 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[dev-packages]
+ansible = "<2.8.0"
+molecule = {extras = ["vagrant"],version = "<3.0.0"}
+testinfra = "<2.0.0"
+ansible-lint = "<4.0.0"
+yamllint = "<2.0.0"
+requests = "<3.0.0"
+python-vagrant = "*"
+
+[requires]
+python_version = "2.7"
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 0000000..8309f41
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,636 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "6f139671ce781455bb543d05b7ba9c17bbbf147462ec02cc26c2c3d4d41cf8b1"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "2.7"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {},
+    "develop": {
+        "ansible": {
+            "hashes": [
+                "sha256:a00d79531e4e0268321e431b1810286369ecf791dbebc1aecb28d453d4ea1ee0"
+            ],
+            "index": "pypi",
+            "version": "==2.7.2"
+        },
+        "ansible-lint": {
+            "hashes": [
+                "sha256:7686dad54aab9281562a5788415af1488b9af8a5acc99c042ecb9959b6ab7a57"
+            ],
+            "index": "pypi",
+            "version": "==3.4.23"
+        },
+        "anyconfig": {
+            "hashes": [
+                "sha256:4d6016ae6eecc5e502bc7e99ae0639c5710c5c67bde5f21b06b9eaafd9ce0e7e"
+            ],
+            "version": "==0.9.7"
+        },
+        "arrow": {
+            "hashes": [
+                "sha256:a558d3b7b6ce7ffc74206a86c147052de23d3d4ef0e17c210dd478c53575c4cd"
+            ],
+            "version": "==0.12.1"
+        },
+        "asn1crypto": {
+            "hashes": [
+                "sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87",
+                "sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49"
+            ],
+            "version": "==0.24.0"
+        },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
+                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
+            ],
+            "version": "==1.2.1"
+        },
+        "attrs": {
+            "hashes": [
+                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
+                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
+            ],
+            "version": "==18.2.0"
+        },
+        "backports.functools-lru-cache": {
+            "hashes": [
+                "sha256:9d98697f088eb1b0fa451391f91afb5e3ebde16bbdb272819fd091151fda4f1a",
+                "sha256:f0b0e4eba956de51238e17573b7087e852dfe9854afd2e9c873f73fc0ca0a6dd"
+            ],
+            "version": "==1.5"
+        },
+        "bcrypt": {
+            "hashes": [
+                "sha256:01477981abf74e306e8ee31629a940a5e9138de000c6b0898f7f850461c4a0a5",
+                "sha256:054d6e0acaea429e6da3613fcd12d05ee29a531794d96f6ab959f29a39f33391",
+                "sha256:0872eeecdf9a429c1420158500eedb323a132bc5bf3339475151c52414729e70",
+                "sha256:09a3b8c258b815eadb611bad04ca15ec77d86aa9ce56070e1af0d5932f17642a",
+                "sha256:0f317e4ffbdd15c3c0f8ab5fbd86aa9aabc7bea18b5cc5951b456fe39e9f738c",
+                "sha256:2788c32673a2ad0062bea850ab73cffc0dba874db10d7a3682b6f2f280553f20",
+                "sha256:321d4d48be25b8d77594d8324c0585c80ae91ac214f62db9098734e5e7fb280f",
+                "sha256:346d6f84ff0b493dbc90c6b77136df83e81f903f0b95525ee80e5e6d5e4eef84",
+                "sha256:34dd60b90b0f6de94a89e71fcd19913a30e83091c8468d0923a93a0cccbfbbff",
+                "sha256:3b4c23300c4eded8895442c003ae9b14328ae69309ac5867e7530de8bdd7875d",
+                "sha256:43d1960e7db14042319c46925892d5fa99b08ff21d57482e6f5328a1aca03588",
+                "sha256:49e96267cd9be55a349fd74f9852eb9ae2c427cd7f6455d0f1765d7332292832",
+                "sha256:63e06ffdaf4054a89757a3a1ab07f1b922daf911743114a54f7c561b9e1baa58",
+                "sha256:67ed1a374c9155ec0840214ce804616de49c3df9c5bc66740687c1c9b1cd9e8d",
+                "sha256:6b662a5669186439f4f583636c8d6ea77cf92f7cfe6aae8d22edf16c36840574",
+                "sha256:6efd9ca20aefbaf2e7e6817a2c6ed4a50ff6900fafdea1bcb1d0e9471743b144",
+                "sha256:8569844a5d8e1fdde4d7712a05ab2e6061343ac34af6e7e3d7935b2bd1907bfd",
+                "sha256:8629ea6a8a59f865add1d6a87464c3c676e60101b8d16ef404d0a031424a8491",
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+                "sha256:a005ed6163490988711ff732386b08effcbf8df62ae93dd1e5bda0714fad8afb",
+                "sha256:ae35dbcb6b011af6c840893b32399252d81ff57d52c13e12422e16b5fea1d0fb",
+                "sha256:b1e8491c6740f21b37cca77bc64677696a3fb9f32360794d57fa8477b7329eda",
+                "sha256:c906bdb482162e9ef48eea9f8c0d967acceb5c84f2d25574c7d2a58d04861df1",
+                "sha256:cb18ffdc861dbb244f14be32c47ab69604d0aca415bee53485fcea4f8e93d5ef",
+                "sha256:cc2f24dc1c6c88c56248e93f28d439ee4018338567b0bbb490ea26a381a29b1e",
+                "sha256:d860c7fff18d49e20339fc6dffc2d485635e36d4b2cccf58f45db815b64100b4",
+                "sha256:d86da365dda59010ba0d1ac45aa78390f56bf7f992e65f70b3b081d5e5257b09",
+                "sha256:e22f0997622e1ceec834fd25947dc2ee2962c2133ea693d61805bc867abaf7ea",
+                "sha256:f2fe545d27a619a552396533cddf70d83cecd880a611cdfdbb87ca6aec52f66b",
+                "sha256:f425e925485b3be48051f913dbe17e08e8c48588fdf44a26b8b14067041c0da6",
+                "sha256:f7fd3ed3745fe6e81e28dc3b3d76cce31525a91f32a387e1febd6b982caf8cdb",
+                "sha256:f9210820ee4818d84658ed7df16a7f30c9fba7d8b139959950acef91745cc0f7"
+            ],
+            "version": "==3.1.4"
+        },
+        "binaryornot": {
+            "hashes": [
+                "sha256:359501dfc9d40632edc9fac890e19542db1a287bbcfa58175b66658392018061",
+                "sha256:b8b71173c917bddcd2c16070412e369c3ed7f0528926f70cac18a6c97fd563e4"
+            ],
+            "version": "==0.4.4"
+        },
+        "cerberus": {
+            "hashes": [
+                "sha256:f5c2e048fb15ecb3c088d192164316093fcfa602a74b3386eefb2983aa7e800a"
+            ],
+            "version": "==1.2"
+        },
+        "certifi": {
+            "hashes": [
+                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
+                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+            ],
+            "version": "==2018.10.15"
+        },
+        "cffi": {
+            "hashes": [
+                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
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+                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
+                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
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+                "sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
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+                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
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+                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
+                "sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
+                "sha256:ca1bd81f40adc59011f58159e4aa6445fc585a32bb8ac9badf7a2c1aa23822f2",
+                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
+                "sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
+                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4",
+                "sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
+                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
+                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
+                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
+            ],
+            "version": "==1.11.5"
+        },
+        "chardet": {
+            "hashes": [
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+            ],
+            "version": "==3.0.4"
+        },
+        "click": {
+            "hashes": [
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+                "sha256:f15516df478d5a56180fbf80e68f206010e6d160fc39fa508b65e035fd75130b"
+            ],
+            "version": "==6.7"
+        },
+        "click-completion": {
+            "hashes": [
+                "sha256:7ca12978493a7450486cef155845af4fae48744c3f97b7250a254de65c9e5e5a"
+            ],
+            "version": "==0.3.1"
+        },
+        "colorama": {
+            "hashes": [
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+                "sha256:48eb22f4f8461b1df5734a074b57042430fb06e1d61bd1e11b078c0fe6d7a1f1"
+            ],
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+        },
+        "configparser": {
+            "hashes": [
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+            ],
+            "markers": "python_version < '3.2'",
+            "version": "==3.5.0"
+        },
+        "cookiecutter": {
+            "hashes": [
+                "sha256:1316a52e1c1f08db0c9efbf7d876dbc01463a74b155a0d83e722be88beda9a3e",
+                "sha256:ed8f54a8fc79b6864020d773ce11539b5f08e4617f353de1f22d23226f6a0d36"
+            ],
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+        },
+        "cryptography": {
+            "hashes": [
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+                "sha256:418e7a5ec02a7056d3a4f0c0e7ea81df374205f25f4720bb0e84189aa5fd2515",
+                "sha256:471a097076a7c4ab85561d7fa9a1239bd2ae1f9fd0047520f13d8b340bf3210b",
+                "sha256:5ecaf9e7db3ca582c6de6229525d35db8a4e59dc3e8a40a331674ed90e658cbf",
+                "sha256:63b064a074f8dc61be81449796e2c3f4e308b6eba04a241a5c9f2d05e882c681",
+                "sha256:6afe324dfe6074822ccd56d80420df750e19ac30a4e56c925746c735cf22ae8b",
+                "sha256:70596e90398574b77929cd87e1ac6e43edd0e29ba01e1365fed9c26bde295aa5",
+                "sha256:70c2b04e905d3f72e2ba12c58a590817128dfca08949173faa19a42c824efa0b",
+                "sha256:8908f1db90be48b060888e9c96a0dee9d842765ce9594ff6a23da61086116bb6",
+                "sha256:af12dfc9874ac27ebe57fc28c8df0e8afa11f2a1025566476b0d50cdb8884f70",
+                "sha256:b4fc04326b2d259ddd59ed8ea20405d2e695486ab4c5e1e49b025c484845206e",
+                "sha256:da5b5dda4aa0d5e2b758cc8dfc67f8d4212e88ea9caad5f61ba132f948bab859"
+            ],
+            "version": "==2.4.2"
+        },
+        "enum34": {
+            "hashes": [
+                "sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850",
+                "sha256:644837f692e5f550741432dd3f223bbb9852018674981b1664e5dc339387588a",
+                "sha256:6bd0f6ad48ec2aa117d3d141940d484deccda84d4fcd884f5c3d93c23ecd8c79",
+                "sha256:8ad8c4783bf61ded74527bffb48ed9b54166685e4230386a9ed9b1279e2df5b1"
+            ],
+            "markers": "python_version < '3'",
+            "version": "==1.1.6"
+        },
+        "fasteners": {
+            "hashes": [
+                "sha256:427c76773fe036ddfa41e57d89086ea03111bbac57c55fc55f3006d027107e18",
+                "sha256:564a115ff9698767df401efca29620cbb1a1c2146b7095ebd304b79cc5807a7c"
+            ],
+            "version": "==0.14.1"
+        },
+        "flake8": {
+            "hashes": [
+                "sha256:7253265f7abd8b313e3892944044a365e3f4ac3fcdcfb4298f55ee9ddf188ba0",
+                "sha256:c7841163e2b576d435799169b78703ad6ac1bbb0f199994fc05f700b2a90ea37"
+            ],
+            "version": "==3.5.0"
+        },
+        "funcsigs": {
+            "hashes": [
+                "sha256:330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca",
+                "sha256:a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50"
+            ],
+            "markers": "python_version < '3.0'",
+            "version": "==1.0.2"
+        },
+        "future": {
+            "hashes": [
+                "sha256:67045236dcfd6816dc439556d009594abf643e5eb48992e36beac09c2ca659b8"
+            ],
+            "version": "==0.17.1"
+        },
+        "git-url-parse": {
+            "hashes": [
+                "sha256:7929b594725394b34008fae557991eed727afab9521937fd59f565105361ec81",
+                "sha256:a7d1dba7fc253dff8afb7b683af35834864c9796eb130b44ec63b2584bbc6522",
+                "sha256:d647f3d7b10b6aec4a14495c45b2bd500dcfa73d2711578ef2149879bbcdf06d"
+            ],
+            "version": "==1.1.0"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
+                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+            ],
+            "version": "==2.7"
+        },
+        "ipaddress": {
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+                "sha256:b5056228dbedde1fb81b79f71fb0c23c98e9d365230df9b29af76e8d8003de11"
+            ],
+            "version": "==0.1.2"
+        },
+        "urllib3": {
+            "hashes": [
+                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
+                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+            ],
+            "version": "==1.24.1"
+        },
+        "whichcraft": {
+            "hashes": [
+                "sha256:7533870f751901a0ce43c93cc9850186e9eba7fe58c924dfb435968ba9c9fa4e",
+                "sha256:fecddd531f237ffc5db8b215409afb18fa30300699064cca4817521b4fc81815"
+            ],
+            "version": "==0.5.2"
+        },
+        "yamllint": {
+            "hashes": [
+                "sha256:93e255e4bd96c7c0850bf182b09f6b35625130f15b37a0e03d8bf378d747081c",
+                "sha256:e9b7dec24921ef13180902e5dbcaae9157c773e3e3e2780ef77d3a4dd67d799f"
+            ],
+            "index": "pypi",
+            "version": "==1.11.1"
+        }
+    }
+}
diff --git a/tests/test-requirements.txt b/tests/test-requirements.txt
deleted file mode 100644
index 1609363..0000000
--- a/tests/test-requirements.txt
+++ /dev/null
@@ -1,65 +0,0 @@
-ansible==2.7.2
-ansible-lint==3.4.23
-anyconfig==0.9.7
-arrow==0.12.1
-asn1crypto==0.24.0
-atomicwrites==1.2.1
-attrs==18.2.0
-backports.functools-lru-cache==1.5
-bcrypt==3.1.4
-binaryornot==0.4.4
-Cerberus==1.2
-certifi==2018.10.15
-cffi==1.11.5
-chardet==3.0.4
-click==6.7
-click-completion==0.3.1
-colorama==0.3.9
-configparser==3.5.0
-cookiecutter==1.6.0
-cryptography==2.4.2
-enum34==1.1.6
-fasteners==0.14.1
-flake8==3.5.0
-funcsigs==1.0.2
-future==0.17.1
-git-url-parse==1.1.0
-idna==2.7
-ipaddress==1.0.22
-Jinja2==2.10
-jinja2-time==0.2.0
-MarkupSafe==1.1.0
-mccabe==0.6.1
-molecule==2.19.0
-monotonic==1.5
-more-itertools==4.3.0
-paramiko==2.4.2
-pathlib2==2.3.2
-pathspec==0.5.9
-pbr==4.1.0
-pexpect==4.6.0
-pluggy==0.8.0
-poyo==0.4.2
-psutil==5.4.6
-ptyprocess==0.6.0
-py==1.7.0
-pyasn1==0.4.4
-pycodestyle==2.3.1
-pycparser==2.19
-pyflakes==1.6.0
-PyNaCl==1.3.0
-pytest==4.0.1
-python-dateutil==2.7.5
-python-gilt==1.2.1
-python-vagrant==0.5.15
-PyYAML==3.13
-requests==2.20.1
-scandir==1.9.0
-sh==1.12.14
-six==1.11.0
-tabulate==0.8.2
-testinfra==1.16.0
-tree-format==0.1.2
-urllib3==1.24.1
-whichcraft==0.5.2
-yamllint==1.11.1