diff --git a/requirements/base.txt b/requirements/base.txt
index 304114767..5e96dfcea 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -27,12 +27,14 @@ idna==3.18
 imagesize==2.0.0
     # via sphinx
 jinja2==3.1.6
-    # via sphinx
+    # via
+    #   pydata-sphinx-theme
+    #   sphinx
 markupsafe==3.0.3
     # via jinja2
 packaging==26.2
     # via sphinx
-pydata-sphinx-theme==0.16.1
+pydata-sphinx-theme==0.20.0
     # via sphinx-book-theme
 pygments==2.20.0
     # via
@@ -40,12 +42,14 @@ pygments==2.20.0
     #   pydata-sphinx-theme
     #   sphinx
 requests==2.34.2
-    # via sphinx
+    # via
+    #   pydata-sphinx-theme
+    #   sphinx
 roman-numerals==4.1.0
     # via sphinx
 snowballstemmer==3.1.1
     # via sphinx
-soupsieve==2.8.4
+soupsieve==2.9
     # via beautifulsoup4
 sphinx==9.1.0
     # via
@@ -54,7 +58,7 @@ sphinx==9.1.0
     #   sphinx-book-theme
     #   sphinx-copybutton
     #   sphinxext-rediraffe
-sphinx-book-theme==1.2.0
+sphinx-book-theme==1.4.0
     # via -r requirements/base.in
 sphinx-copybutton==0.5.2
     # via -r requirements/base.in
@@ -73,8 +77,6 @@ sphinxcontrib-serializinghtml==2.0.0
 sphinxext-rediraffe==0.3.0
     # via -r requirements/base.in
 typing-extensions==4.16.0
-    # via
-    #   beautifulsoup4
-    #   pydata-sphinx-theme
+    # via beautifulsoup4
 urllib3==2.7.0
     # via requests
diff --git a/requirements/common_constraints.txt b/requirements/common_constraints.txt
index a95691da8..edb1bcb80 100644
--- a/requirements/common_constraints.txt
+++ b/requirements/common_constraints.txt
@@ -22,5 +22,5 @@ elasticsearch<7.14.0
 # 2026-07-06: Constrain social-auth-* packages to the latest version compatible with
 # edx-drf-extensions<=10.6.0. (Newer versions require a POST instead of a GET.)
 # Tracking issue: https://github.com/openedx/edx-drf-extensions/issues/561
-social-auth-app-django>=5.9.0,<6.0.0
-social-auth-core>=4.9.1,<5.0.0
+social-auth-app-django<6.0.0
+social-auth-core<5.0.0
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 67d43bf88..40ce20372 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -56,6 +56,7 @@ imagesize==2.0.0
 jinja2==3.1.6
     # via
     #   -r requirements/base.txt
+    #   pydata-sphinx-theme
     #   sphinx
 markupsafe==3.0.3
     # via
@@ -65,7 +66,7 @@ packaging==26.2
     # via
     #   -r requirements/base.txt
     #   sphinx
-pydata-sphinx-theme==0.16.1
+pydata-sphinx-theme==0.20.0
     # via
     #   -r requirements/base.txt
     #   sphinx-book-theme
@@ -78,6 +79,7 @@ pygments==2.20.0
 requests==2.34.2
     # via
     #   -r requirements/base.txt
+    #   pydata-sphinx-theme
     #   sphinx
 roman-numerals==4.1.0
     # via
@@ -87,7 +89,7 @@ snowballstemmer==3.1.1
     # via
     #   -r requirements/base.txt
     #   sphinx
-soupsieve==2.8.4
+soupsieve==2.9
     # via
     #   -r requirements/base.txt
     #   beautifulsoup4
@@ -101,7 +103,7 @@ sphinx==9.1.0
     #   sphinxext-rediraffe
 sphinx-autobuild==2025.8.25
     # via -r requirements/dev.in
-sphinx-book-theme==1.2.0
+sphinx-book-theme==1.4.0
     # via -r requirements/base.txt
 sphinx-copybutton==0.5.2
     # via -r requirements/base.txt
@@ -138,7 +140,6 @@ typing-extensions==4.16.0
     #   -r requirements/base.txt
     #   anyio
     #   beautifulsoup4
-    #   pydata-sphinx-theme
     #   starlette
 urllib3==2.7.0
     # via
@@ -148,5 +149,5 @@ uvicorn==0.51.0
     # via sphinx-autobuild
 watchfiles==1.2.0
     # via sphinx-autobuild
-websockets==16.1
+websockets==16.1.1
     # via sphinx-autobuild
diff --git a/requirements/pip_tools.txt b/requirements/pip_tools.txt
index b75911eb1..f33a542b6 100644
--- a/requirements/pip_tools.txt
+++ b/requirements/pip_tools.txt
@@ -4,7 +4,7 @@
 #
 #    make upgrade
 #
-build==1.5.1
+build==1.5.0
     # via pip-tools
 click==8.4.2
     # via pip-tools
@@ -12,7 +12,7 @@ packaging==26.2
     # via
     #   build
     #   wheel
-pip-tools==7.5.3
+pip-tools==7.6.0
     # via -r requirements/pip_tools.in
 pyproject-hooks==1.2.0
     # via