diff --git a/news/2417.bugfix b/news/2417.bugfix
new file mode 100644
index 00000000..bb76c190
--- /dev/null
+++ b/news/2417.bugfix
@@ -0,0 +1 @@
+Fixed a logic error which caused ``--deploy --system`` to overwrite editable vcs packages in the pipfile before installing, which caused any installation to fail by default.
diff --git a/news/2419.bugfix b/news/2419.bugfix
new file mode 100644
index 00000000..fec7157a
--- /dev/null
+++ b/news/2419.bugfix
@@ -0,0 +1 @@
+Updated requirementslib to fix an issue with properly quoting markers in VCS requirements.
diff --git a/news/2419.vendor b/news/2419.vendor
new file mode 100644
index 00000000..fec7157a
--- /dev/null
+++ b/news/2419.vendor
@@ -0,0 +1 @@
+Updated requirementslib to fix an issue with properly quoting markers in VCS requirements.
diff --git a/pipenv/__version__.py b/pipenv/__version__.py
index 5692134d..afc0a721 100644
--- a/pipenv/__version__.py
+++ b/pipenv/__version__.py
@@ -2,4 +2,4 @@
 #   //   ) ) / / //   ) ) //___) ) //   ) ) ||  / /
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
-__version__ = '2018.6.25'
+__version__ = '2018.6.26.dev0'
diff --git a/pipenv/core.py b/pipenv/core.py
index 2f85ab9c..4346f487 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -617,7 +617,7 @@ def ensure_project(
     # Automatically use an activated virtualenv.
     if PIPENV_USE_SYSTEM:
         system = True
-    if not project.pipfile_exists:
+    if not project.pipfile_exists and not deploy:
         project.touch_pipfile()
     # Skip virtualenv creation when --system was used.
     if not system:
@@ -1269,7 +1269,8 @@ def do_init(
                 cleanup_virtualenv(bare=False)
                 sys.exit(1)
     # Ensure the Pipfile exists.
-    ensure_pipfile(system=system)
+    if not deploy:
+        ensure_pipfile(system=system)
     if not requirements_dir:
         cleanup_reqdir = True
         requirements_dir = TemporaryDirectory(
@@ -1916,7 +1917,8 @@ def do_install(
         package_name = False
     # Install editable local packages before locking - this gives us access to dist-info
     if project.pipfile_exists and (
-        not project.lockfile_exists or not project.virtualenv_exists
+        # double negatives are for english readability, leave them alone.
+        (not project.lockfile_exists and not deploy) or (not project.virtualenv_exists and not system)
     ):
         section = project.editable_packages if not dev else project.editable_dev_packages
         for package in section.keys():
@@ -2570,6 +2572,8 @@ def do_sync(
     unused=False,
     sequential=False,
     pypi_mirror=None,
+    system=False,
+    deploy=False,
 ):
     # The lock file needs to exist because sync won't write to it.
     if not project.lockfile_exists:
@@ -2582,8 +2586,8 @@ def do_sync(
         )
         sys.exit(1)
 
-    # Ensure that virtualenv is available.
-    ensure_project(three=three, python=python, validate=False)
+    # Ensure that virtualenv is available if not system.
+    ensure_project(three=three, python=python, validate=False, deploy=deploy)
 
     # Install everything.
     requirements_dir = TemporaryDirectory(
@@ -2596,6 +2600,8 @@ def do_sync(
         requirements_dir=requirements_dir,
         ignore_pipfile=True,    # Don't check if Pipfile and lock match.
         pypi_mirror=pypi_mirror,
+        deploy=deploy,
+        system=system,
     )
     requirements_dir.cleanup()
     click.echo(crayons.green('All dependencies are now up-to-date!'))
diff --git a/pipenv/patched/piptools/repositories/pypi.py b/pipenv/patched/piptools/repositories/pypi.py
index 3fee3d89..4a960d8f 100644
--- a/pipenv/patched/piptools/repositories/pypi.py
+++ b/pipenv/patched/piptools/repositories/pypi.py
@@ -19,7 +19,6 @@ from .._compat import (
     PyPI,
     InstallRequirement,
     SafeFileCache,
-    InstallationError,
 )
 
 from pipenv.patched.notpip._vendor.packaging.requirements import InvalidRequirement, Requirement
@@ -27,6 +26,7 @@ from pipenv.patched.notpip._vendor.packaging.version import Version, InvalidVers
 from pipenv.patched.notpip._vendor.packaging.specifiers import SpecifierSet, InvalidSpecifier, Specifier
 from pipenv.patched.notpip._vendor.packaging.markers import Marker, Op, Value, Variable
 from pipenv.patched.notpip._vendor.pyparsing import ParseException
+from pipenv.patched.notpip._internal.exceptions import InstallationError
 
 from ..cache import CACHE_DIR
 from pipenv.environments import PIPENV_CACHE_DIR
@@ -278,13 +278,16 @@ class PyPIRepository(BaseRepository):
             if ireq.editable:
                 try:
                     dist = ireq.get_dist()
+                except InstallationError:
+                    ireq.run_egg_info()
+                    dist = ireq.get_dist()
+                except (TypeError, ValueError, AttributeError):
+                    pass
+                else:
                     if dist.has_metadata('requires.txt'):
                         setup_requires = self.finder.get_extras_links(
                             dist.get_metadata_lines('requires.txt')
                         )
-                except (TypeError, ValueError, AttributeError):
-                    pass
-
             try:
                 # Pip < 9 and below
                 reqset = RequirementSet(
diff --git a/pipenv/vendor/requirementslib/__init__.py b/pipenv/vendor/requirementslib/__init__.py
index f3393c11..7e4acf40 100644
--- a/pipenv/vendor/requirementslib/__init__.py
+++ b/pipenv/vendor/requirementslib/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding=utf-8 -*-
-__version__ = "1.0.5.dev0"
+__version__ = "1.0.6"
 
 
 from .exceptions import RequirementError
diff --git a/pipenv/vendor/requirementslib/models/requirements.py b/pipenv/vendor/requirementslib/models/requirements.py
index 16d99863..6dc76e0d 100644
--- a/pipenv/vendor/requirementslib/models/requirements.py
+++ b/pipenv/vendor/requirementslib/models/requirements.py
@@ -649,7 +649,7 @@ class Requirement(object):
     @property
     def markers_as_pip(self):
         if self.markers:
-            return "; {0}".format(self.markers)
+            return "; {0}".format(self.markers.replace('"', "'"))
 
         return ""
 
diff --git a/pipenv/vendor/vendor.txt b/pipenv/vendor/vendor.txt
index 6b44b53d..a19294b7 100644
--- a/pipenv/vendor/vendor.txt
+++ b/pipenv/vendor/vendor.txt
@@ -27,7 +27,7 @@ requests==2.19.1
     idna==2.7
     urllib3==1.23
     certifi==2018.4.16
-requirementslib==1.0.5
+requirementslib==1.0.6
     attrs==18.1.0
     distlib==0.2.7
     packaging==17.1
diff --git a/setup.py b/setup.py
index 3931cde7..9a31430d 100644
--- a/setup.py
+++ b/setup.py
@@ -116,6 +116,7 @@ setup(
         '': ['LICENSE', 'NOTICES'],
         "pipenv.vendor.requests": ["*.pem"],
         "pipenv.vendor.certifi": ["*.pem"],
+        "pipenv.vendor.click_completion": ["*.j2"],
         "pipenv.patched.notpip._vendor.certifi": ["*.pem"],
         "pipenv.patched.notpip._vendor.requests": ["*.pem"],
         "pipenv.patched.notpip._vendor.distlib._backport": ["sysconfig.cfg"],
diff --git a/tasks/vendoring/patches/patched/piptools.patch b/tasks/vendoring/patches/patched/piptools.patch
index 088aa06c..522c13d8 100644
--- a/tasks/vendoring/patches/patched/piptools.patch
+++ b/tasks/vendoring/patches/patched/piptools.patch
@@ -19,7 +19,7 @@ index 4e6174c..75f9b49 100644
  # NOTE
  # We used to store the cache dir under ~/.pip-tools, which is not the
 diff --git a/pipenv/patched/piptools/repositories/pypi.py b/pipenv/patched/piptools/repositories/pypi.py
-index 1c4b943..07cd667 100644
+index 1c4b943..c4e5b0e 100644
 --- a/pipenv/patched/piptools/repositories/pypi.py
 +++ b/pipenv/patched/piptools/repositories/pypi.py
 @@ -4,6 +4,7 @@ from __future__ import (absolute_import, division, print_function,
@@ -38,7 +38,6 @@ index 1c4b943..07cd667 100644
 +    PyPI,
 +    InstallRequirement,
 +    SafeFileCache,
-+    InstallationError,
  )
  
 +from pip._vendor.packaging.requirements import InvalidRequirement, Requirement
@@ -46,6 +45,7 @@ index 1c4b943..07cd667 100644
 +from pip._vendor.packaging.specifiers import SpecifierSet, InvalidSpecifier, Specifier
 +from pip._vendor.packaging.markers import Marker, Op, Value, Variable
 +from pip._vendor.pyparsing import ParseException
++from pip._internal.exceptions import InstallationError
 +
  from ..cache import CACHE_DIR
 +from pipenv.environments import PIPENV_CACHE_DIR
@@ -223,10 +223,11 @@ index 1c4b943..07cd667 100644
          """
          Given a pinned or an editable InstallRequirement, returns a set of
          dependencies (also InstallRequirements, but not necessarily pinned).
-@@ -155,6 +270,20 @@ class PyPIRepository(BaseRepository):
+@@ -155,7 +270,24 @@ class PyPIRepository(BaseRepository):
                      os.makedirs(download_dir)
              if not os.path.isdir(self._wheel_download_dir):
                  os.makedirs(self._wheel_download_dir)
+-
 +            # Collect setup_requires info from local eggs.
 +            # Do this after we call the preparer on these reqs to make sure their
 +            # egg info has been created
@@ -235,16 +236,20 @@ index 1c4b943..07cd667 100644
 +            if ireq.editable:
 +                try:
 +                    dist = ireq.get_dist()
++                except InstallationError:
++                    ireq.run_egg_info()
++                    dist = ireq.get_dist()
++                except (TypeError, ValueError, AttributeError):
++                    pass
++                else:
 +                    if dist.has_metadata('requires.txt'):
 +                        setup_requires = self.finder.get_extras_links(
 +                            dist.get_metadata_lines('requires.txt')
 +                        )
-+                except (TypeError, ValueError, AttributeError):
-+                    pass
- 
              try:
                  # Pip < 9 and below
-@@ -164,11 +293,14 @@ class PyPIRepository(BaseRepository):
+                 reqset = RequirementSet(
+@@ -164,11 +296,14 @@ class PyPIRepository(BaseRepository):
                      download_dir=download_dir,
                      wheel_download_dir=self._wheel_download_dir,
                      session=self.session,
@@ -261,7 +266,7 @@ index 1c4b943..07cd667 100644
                  )
              except TypeError:
                  # Pip >= 10 (new resolver!)
-@@ -188,17 +320,97 @@ class PyPIRepository(BaseRepository):
+@@ -188,17 +323,97 @@ class PyPIRepository(BaseRepository):
                      finder=self.finder,
                      session=self.session,
                      upgrade_strategy="to-satisfy-only",
@@ -362,7 +367,7 @@ index 1c4b943..07cd667 100644
          return set(self._dependencies_cache[ireq])
  
      def get_hashes(self, ireq):
-@@ -217,24 +429,22 @@ class PyPIRepository(BaseRepository):
+@@ -217,24 +432,22 @@ class PyPIRepository(BaseRepository):
          # We need to get all of the candidates that match our current version
          # pin, these will represent all of the files that could possibly
          # satisfy this constraint.