1 files changed, 9 insertions, 8 deletions
diff --git a/Pipfile b/Pipfile
index 89ec5fd..a6f846c 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,13 +7,14 @@ name = "pypi"
 "pyasn1" = ">=0.1.3"
 
 [dev-packages]
-tox = "*"
-mock = ">=2.0.0"
-Sphinx = "*"
-coveralls = "*"
-pytest = "*"
-pytest-cov = "*"
-pathlib2 = {version = "*", markers="python_version < '3.6'"}
+coveralls = "~=1.8, >=1.8"
+"Sphinx" = "~=2.1, >=2.1"
+"pathlib2" = {version = "~=2.3, >=2.3.4",markers = "python_version < '3.6'"}
+"pytest" = "~=5.0, >=5.0"
+"pytest-cov" = "~=2.7, >=2.7"
+"tox" = "~=3.13, >=3.13"
+"mypy" = "~=0.720, >=0.720"
+"flake8" = "~=3.7, >=3.7"
 
 [requires]
-python_version = "3.6"
+python_version = "3.7"