diff --git a/setup.py b/setup.py
index 26e14e610..4a0386755 100644
--- a/setup.py
+++ b/setup.py
@@ -70,9 +70,9 @@ setup(
         "blinker>=1.4, <1.5",
         "Brotli>=1.0,<1.1",
         "certifi>=2019.9.11",  # no semver here - this should always be on the last release!
-        "click>=7.0,<8",
+        "click>=7.0,<8.1",
         "cryptography>=3.3,<3.5",
-        "flask>=1.1.1,<1.2",
+        "flask>=1.1.1,<2.1",
         "h11>=0.11,<0.13",
         "h2>=4.0,<5",
         "hyperframe>=6.0,<7",
@@ -80,7 +80,7 @@ setup(
         "ldap3>=2.8,<2.10",
         "msgpack>=1.0.0, <1.1.0",
         "passlib>=1.6.5, <1.8",
-        "protobuf>=3.14,<3.17",
+        "protobuf>=3.14,<3.18",
         "pyOpenSSL>=20.0,<20.1",
         "pyparsing>=2.4.2,<2.5",
         "pyperclip>=1.6.0,<1.9",