diff --git a/requirements.txt b/requirements.txt
index 98b05fb..440b895 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ blinker==1.4
 cached-property==1.5.2
 cachetools==5.3.0
 celery==5.2.7
-certifi==2020.12.5
+certifi==2022.12.7
 cffi==1.14.4
 cfgv==3.2.0
 chardet==3.0.4
@@ -30,7 +30,7 @@ click-repl==0.2.0
 colour==0.1.5
 coverage==5.5
 coveralls==3.3.1
-cryptography==3.3.2
+cryptography==39.0.1
 decorator==5.1.0
 distlib==0.3.6
 dnspython==2.0.0
@@ -95,7 +95,6 @@ pluggy==0.13.1
 pre-commit==3.2.2
 prompt-toolkit==3.0.38
 psycopg2-binary==2.9.6
-py==1.10.0
 pycodestyle==2.10.0
 pycparser==2.20
 pyflakes==3.0.1