diff --git a/HISTORY.txt b/HISTORY.txt
index 846f4faf..1e08cbb2 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,7 +1,8 @@
-5.5.0:
- - --hashes is now default, once again! We figured it out :)
- - New --hashes locking functionality — support for multiple hashes per release!
+6.0.0:
+ - New locking functionality — support for multiple hashes per release!
+ - Hashes are now default, everywhere, once again! We figured it out :)
  - Pipenv talks to the PyPi (Warehouse) API now for grabbing hashes.
+ - --hashes flag removed.
  - Upgraded to Pipfile spec 2.
  - New --legacy mode for lock.
 5.4.3:
diff --git a/Pipfile.lock b/Pipfile.lock
deleted file mode 100644
index 73384df5..00000000
--- a/Pipfile.lock
+++ /dev/null
@@ -1,162 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "f89bcf3e88bd0c33e5a924e59417f55eba7ff56069860f3faf1c57eaf269e979"
-        },
-        "pipfile-spec": 1,
-        "requires": {
-            "python_version": "3.6"
-        },
-        "sources": [
-            {
-                "url": "https://pypi.python.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {
-        "background": {
-            "version": "==0.1.0"
-        },
-        "certifi": {
-            "version": "==2017.7.27.1"
-        },
-        "chardet": {
-            "version": "==3.0.4"
-        },
-        "click": {
-            "version": "==6.7"
-        },
-        "first": {
-            "version": "==2.0.1"
-        },
-        "idna": {
-            "version": "==2.6"
-        },
-        "pep8": {
-            "version": "==1.7.0"
-        },
-        "pew": {
-            "version": "==0.1.26"
-        },
-        "pip-tools": {
-            "version": "==1.9.0"
-        },
-        "py": {
-            "version": "==1.4.34"
-        },
-        "pytest": {
-            "version": "==3.2.1"
-        },
-        "pythonz-bd": {
-            "version": "==1.11.4"
-        },
-        "requests": {
-            "version": "==2.18.4"
-        },
-        "resumable-urlretrieve": {
-            "version": "==0.1.5"
-        },
-        "semver": {
-            "version": "==2.7.8"
-        },
-        "six": {
-            "version": "==1.10.0"
-        },
-        "urllib3": {
-            "version": "==1.22"
-        },
-        "virtualenv": {
-            "version": "==15.1.0"
-        },
-        "virtualenv-clone": {
-            "version": "==0.2.6"
-        }
-    },
-    "develop": {
-        "alabaster": {
-            "version": "==0.7.10"
-        },
-        "babel": {
-            "version": "==2.5.0"
-        },
-        "certifi": {
-            "version": "==2017.7.27.1"
-        },
-        "chardet": {
-            "version": "==3.0.4"
-        },
-        "delegator.py": {
-            "version": "==0.0.13"
-        },
-        "docutils": {
-            "version": "==0.14"
-        },
-        "flake8": {
-            "version": "==3.4.1"
-        },
-        "idna": {
-            "version": "==2.6"
-        },
-        "imagesize": {
-            "version": "==0.7.1"
-        },
-        "jinja2": {
-            "version": "==2.9.6"
-        },
-        "markupsafe": {
-            "version": "==1.0"
-        },
-        "mccabe": {
-            "version": "==0.6.1"
-        },
-        "mock": {
-            "version": "==2.0.0"
-        },
-        "pbr": {
-            "version": "==3.1.1"
-        },
-        "pexpect": {
-            "version": "==4.2.1"
-        },
-        "ptyprocess": {
-            "version": "==0.5.2"
-        },
-        "py": {
-            "version": "==1.4.34"
-        },
-        "pycodestyle": {
-            "version": "==2.3.1"
-        },
-        "pyflakes": {
-            "version": "==1.5.0"
-        },
-        "pygments": {
-            "version": "==2.2.0"
-        },
-        "pytest": {
-            "version": "==3.2.1"
-        },
-        "pytz": {
-            "version": "==2017.2"
-        },
-        "requests": {
-            "version": "==2.18.4"
-        },
-        "six": {
-            "version": "==1.10.0"
-        },
-        "snowballstemmer": {
-            "version": "==1.2.1"
-        },
-        "sphinx": {
-            "version": "==1.5.5"
-        },
-        "toml": {
-            "version": "==0.9.2"
-        },
-        "urllib3": {
-            "version": "==1.22"
-        }
-    }
-}
diff --git a/pipenv/__version__.py b/pipenv/__version__.py
index d34937a5..158ca3e5 100644
--- a/pipenv/__version__.py
+++ b/pipenv/__version__.py
@@ -3,4 +3,4 @@
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
 
-__version__ = '5.5.0'
+__version__ = '6.0.0'