diff --git a/setup.py b/setup.py
index 01b9d785c..b13f43382 100644
--- a/setup.py
+++ b/setup.py
@@ -100,7 +100,7 @@ setup(
             "hypothesis>=5.8,<7",
             "parver>=0.1,<2.0",
             "pdoc>=4.0.0",
-            "pyinstaller==4.5",
+            "pyinstaller==4.5.1",
             "pytest-asyncio>=0.10.0,<0.16,!=0.14",
             "pytest-cov>=2.7.1,<3",
             "pytest-timeout>=1.3.3,<2",
diff --git a/tox.ini b/tox.ini
index 3734473a1..385628165 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,10 +31,10 @@ commands =
 deps =
   mypy==0.910
   types-certifi==0.1.4
-  types-Flask==1.1.1
-  types-Werkzeug==1.0.2
-  types-requests==2.25.2
-  types-cryptography==3.3.3
+  types-Flask==1.1.2
+  types-Werkzeug==1.0.3
+  types-requests==2.25.3
+  types-cryptography==3.3.4
   types-pyOpenSSL==20.0.4
 
 commands =