diff --git a/flake.lock b/flake.lock
index 8d927496c5ea998d3b8487cef89bdfa3443e227a..31d6ded686bd1a5214259c1d7aee120ef3268d42 100644
--- a/flake.lock
+++ b/flake.lock
@@ -279,19 +279,19 @@         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs-py36": {
+    "nixpkgs-py39": {
       "locked": {
-        "lastModified": 1616701903,
-        "narHash": "sha256-zYjmZqdfetp6XNbJcznCGGR8YkjcZ45c3Zy+Q0GrhMw=",
+        "lastModified": 1681648924,
+        "narHash": "sha256-pzi3HISK8+7mpEtv08Yr80wswyHKsz+RP1CROG1Qf6s=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "34f85de51bbc74595e63b22ee089adbb31f7c7a2",
+        "rev": "f294325aed382b66c7a188482101b0f336d1d7db",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "34f85de51bbc74595e63b22ee089adbb31f7c7a2",
+        "rev": "f294325aed382b66c7a188482101b0f336d1d7db",
         "type": "github"
       }
     },
@@ -365,7 +365,7 @@         "helix": "helix",
         "home-manager": "home-manager",
         "jolheiser-nur": "jolheiser-nur",
         "nixpkgs": "nixpkgs",
-        "nixpkgs-py36": "nixpkgs-py36",
+        "nixpkgs-py39": "nixpkgs-py39",
         "nixpl": "nixpl",
         "nur": "nur",
         "resume": "resume",

diff --git a/flake.nix b/flake.nix
index 62328cfa6784f46d62a93590a34fd568355a27d3..ba810a36ad275d76cf54e74af9c068fd8a047738 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,7 +3,7 @@   description = "jolheiser's nixos config";
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
-    nixpkgs-py36.url = "github:nixos/nixpkgs/34f85de51bbc74595e63b22ee089adbb31f7c7a2";
+    nixpkgs-py39.url = "github:nixos/nixpkgs/f294325aed382b66c7a188482101b0f336d1d7db";
 
     home-manager = {
       url = "github:nix-community/home-manager";
@@ -97,7 +97,7 @@   outputs = {
     nixpkgs,
     home-manager,
     agenix,
-    nixpkgs-py36,
+    nixpkgs-py39,
     wsl,
     ...
   } @ inputs: let
@@ -163,7 +163,7 @@       ({pkgs, ...}: {
         config = {
           nixpkgs.overlays = [
             (_: _: {
-              py36 = import nixpkgs-py36 {inherit (pkgs) system;};
+              py39 = import nixpkgs-py39 {inherit (pkgs) system;};
             })
           ];
           home-manager.users.${username}.programs = {

diff --git a/machines/chai/default.nix b/machines/chai/default.nix
index ecd6c72bfddb9e625ddaaaef073ca2980d684360..40565d5addc095faf0207c57867f7c0bea0c9768 100644
--- a/machines/chai/default.nix
+++ b/machines/chai/default.nix
@@ -53,12 +53,12 @@     jetbrains.pycharm-professional
     jetbrains.idea-ultimate
     jetbrains.datagrip
     libxcrypt
-    py36.python36
-    py36.python36Packages.virtualenv
-    py36.python36Packages.psycopg2
-    py36.python36Packages.wheel
-    py36.python36Packages.setuptools
-    py36.python36Packages.pip
+    py39.python39
+    py39.python39Packages.virtualenv
+    py39.python39Packages.psycopg2
+    py39.python39Packages.wheel
+    py39.python39Packages.setuptools
+    py39.python39Packages.pip
     python3Packages.twine
     subversion
     teams-for-linux

diff --git a/machines/masala/default.nix b/machines/masala/default.nix
index 54e85265011c8fd7e66665b39897ea2bc4602296..71862f6e8e1c1128df798b795ca6e9215f6db5d4 100644
--- a/machines/masala/default.nix
+++ b/machines/masala/default.nix
@@ -20,12 +20,12 @@   services.openssh.enable = true;
 
   environment.systemPackages = with pkgs; [
     libxcrypt
-    py36.python36
-    py36.python36Packages.virtualenv
-    py36.python36Packages.psycopg2
-    py36.python36Packages.wheel
-    py36.python36Packages.setuptools
-    py36.python36Packages.pip
+    py39.python39
+    py39.python39Packages.virtualenv
+    py39.python39Packages.psycopg2
+    py39.python39Packages.wheel
+    py39.python39Packages.setuptools
+    py39.python39Packages.pip
     python3Packages.twine
     subversion
   ];