diff --git a/setup.py b/setup.py
index 9d8ab79d0..9c20cdc9f 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@ setup(
         "brotlipy>=0.5.1, <0.8",
         "certifi>=2015.11.20.1",  # no semver here - this should always be on the last release!
         "click>=6.2, <7",
-        "cryptography>=2.0,<2.1",
+        "cryptography>=2.0,<2.2",
         "h2>=3.0, <4",
         "hyperframe>=5.0, <6",
         "kaitaistruct>=0.7, <0.8",
@@ -82,12 +82,12 @@ setup(
     ],
     extras_require={
         ':sys_platform == "win32"': [
-            "pydivert>=2.0.3, <2.1",
+            "pydivert>=2.0.3,<2.2",
         ],
         'dev': [
             "flake8>=3.2.1, <3.5",
             "Flask>=0.10.1, <0.13",
-            "mypy>=0.530,<0.531",
+            "mypy>=0.530,<0.541",
             "pytest-cov>=2.2.1, <3",
             "pytest-faulthandler>=1.3.0, <2",
             "pytest-timeout>=1.0.0, <2",