diff --git a/requirements.txt b/requirements.txt
index 4748f09..f49bd8f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 alabaster==1.0.0
 babel==2.17.0
-beartype==0.22.4
+beartype==0.22.9
 certifi==2025.10.5
 charset-normalizer==3.4.4
 docutils==0.21.*
@@ -20,7 +20,7 @@ roman-numerals-py==3.1.0
 snowballstemmer==3.0.1
 Sphinx==8.2.3
 sphinx-rtd-theme==3.0.2
-sphinx-substitution-extensions==2025.10.24
+sphinx-substitution-extensions==2025.12.15
 sphinxcontrib-applehelp==2.0.0
 sphinxcontrib-devhelp==2.0.0
 sphinxcontrib-htmlhelp==2.1.0
@@ -28,4 +28,4 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
-urllib3==2.5.0
+urllib3==2.6.2