diff --git a/requirements_dev.txt b/requirements_dev.txt
index ff4db0a..7a4f20a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -18,7 +18,7 @@ pluggy==1.5.0
     # via pytest
 py==1.11.0
     # via dials-data (pyproject.toml)
-pytest==7.4.2
+pytest==8.3.4
     # via dials-data (pyproject.toml)
 pyyaml==6.0.1
     # via dials-data (pyproject.toml)
diff --git a/requirements_doc.txt b/requirements_doc.txt
index 6908463..8fdc045 100644
--- a/requirements_doc.txt
+++ b/requirements_doc.txt
@@ -1,6 +1,6 @@
 # This file was autogenerated by uv via the following command:
 #    uv pip compile pyproject.toml --extra doc -o requirements_doc.txt
-alabaster==0.7.16
+alabaster==1.0.0
     # via sphinx
 babel==2.16.0
     # via sphinx
@@ -36,12 +36,12 @@ requests==2.32.3
     #   sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==6.2.1
+sphinx==8.1.3
     # via
     #   dials-data (pyproject.toml)
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
-sphinx-rtd-theme==1.3.0
+sphinx-rtd-theme==3.0.2
     # via dials-data (pyproject.toml)
 sphinxcontrib-applehelp==2.0.0
     # via sphinx