diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eab900b..bc43fcc 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.6.0
+    rev: v6.0.0
     hooks:
     -   id: trailing-whitespace
         exclude: |
@@ -28,7 +28,7 @@ repos:
     -   id: check-merge-conflict
     -   id: check-toml
     -   id: check-xml
--   repo: https://github.com/psf/black
-    rev: 24.4.0
+-   repo: https://github.com/psf/black-pre-commit-mirror
+    rev: 26.1.0
     hooks:
     -   id: black
diff --git a/compose/django/gunicorn.conf.py b/compose/django/gunicorn.conf.py
index 17e1095..b9e5e00 100644
--- a/compose/django/gunicorn.conf.py
+++ b/compose/django/gunicorn.conf.py
@@ -3,7 +3,6 @@
 from shutil import which
 from os.path import exists
 
-
 print("Loading gunicorn config.")
 
 
diff --git a/judge/crowd_bt.py b/judge/crowd_bt.py
index 8a04428..55884d4 100644
--- a/judge/crowd_bt.py
+++ b/judge/crowd_bt.py
@@ -36,13 +36,13 @@ def divergence_beta(alpha_1, beta_1, alpha_2, beta_2):
 
 
 def update(alpha, beta, mu_winner, sigma_sq_winner, mu_loser, sigma_sq_loser):
-    (updated_alpha, updated_beta, _) = _updated_annotator(
+    updated_alpha, updated_beta, _ = _updated_annotator(
         alpha, beta, mu_winner, sigma_sq_winner, mu_loser, sigma_sq_loser
     )
-    (updated_mu_winner, updated_mu_loser) = _updated_mus(
+    updated_mu_winner, updated_mu_loser = _updated_mus(
         alpha, beta, mu_winner, sigma_sq_winner, mu_loser, sigma_sq_loser
     )
-    (updated_sigma_sq_winner, updated_sigma_sq_loser) = _updated_sigma_sqs(
+    updated_sigma_sq_winner, updated_sigma_sq_loser = _updated_sigma_sqs(
         alpha, beta, mu_winner, sigma_sq_winner, mu_loser, sigma_sq_loser
     )
     return (
@@ -56,19 +56,19 @@ def update(alpha, beta, mu_winner, sigma_sq_winner, mu_loser, sigma_sq_loser):
 
 
 def expected_information_gain(alpha, beta, mu_a, sigma_sq_a, mu_b, sigma_sq_b):
-    (alpha_1, beta_1, c) = _updated_annotator(
+    alpha_1, beta_1, c = _updated_annotator(
         alpha, beta, mu_a, sigma_sq_a, mu_b, sigma_sq_b
     )
-    (mu_a_1, mu_b_1) = _updated_mus(alpha, beta, mu_a, sigma_sq_a, mu_b, sigma_sq_b)
-    (sigma_sq_a_1, sigma_sq_b_1) = _updated_sigma_sqs(
+    mu_a_1, mu_b_1 = _updated_mus(alpha, beta, mu_a, sigma_sq_a, mu_b, sigma_sq_b)
+    sigma_sq_a_1, sigma_sq_b_1 = _updated_sigma_sqs(
         alpha, beta, mu_a, sigma_sq_a, mu_b, sigma_sq_b
     )
     prob_a_ranked_above = c
-    (alpha_2, beta_2, _) = _updated_annotator(
+    alpha_2, beta_2, _ = _updated_annotator(
         alpha, beta, mu_b, sigma_sq_b, mu_a, sigma_sq_a
     )
-    (mu_b_2, mu_a_2) = _updated_mus(alpha, beta, mu_b, sigma_sq_b, mu_a, sigma_sq_a)
-    (sigma_sq_b_2, sigma_sq_a_2) = _updated_sigma_sqs(
+    mu_b_2, mu_a_2 = _updated_mus(alpha, beta, mu_b, sigma_sq_b, mu_a, sigma_sq_a)
+    sigma_sq_b_2, sigma_sq_a_2 = _updated_sigma_sqs(
         alpha, beta, mu_b, sigma_sq_b, mu_a, sigma_sq_a
     )
 
diff --git a/manage.py b/manage.py
index 091e9f4..ed40f38 100755
--- a/manage.py
+++ b/manage.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 """Django's command-line utility for administrative tasks."""
+
 import os
 import sys