diff --git a/requirements/base.txt b/requirements/base.txt
index c6fb551..bdbacc6 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -116,7 +116,7 @@ typing-extensions==4.15.0
     # via edx-opaque-keys
 tzdata==2026.2
     # via kombu
-tzlocal==5.4
+tzlocal==5.4.3
     # via celery
 vine==5.1.0
     # via
diff --git a/requirements/ci.txt b/requirements/ci.txt
index 7cf2ae7..c7b77e2 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -8,7 +8,7 @@ cachetools==7.1.4
     # via tox
 colorama==0.4.6
     # via tox
-coverage==7.14.1
+coverage==7.14.3
     # via -r requirements/ci.in
 distlib==0.4.3
     # via virtualenv
@@ -38,5 +38,5 @@ tomli-w==1.2.0
     # via tox
 tox==4.55.1
     # via -r requirements/ci.in
-virtualenv==21.5.0
+virtualenv==21.5.1
     # via tox
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 69c979e..23628eb 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -41,7 +41,7 @@ celery==5.6.3
     # via
     #   -c requirements/constraints.txt
     #   -r requirements/test.txt
-certifi==2026.5.20
+certifi==2026.6.17
     # via requests
 cffi==2.0.0
     # via
@@ -87,7 +87,7 @@ colorama==0.4.6
     # via
     #   -r requirements/ci.txt
     #   tox
-coverage[toml]==7.14.1
+coverage[toml]==7.14.3
     # via
     #   -r requirements/ci.txt
     #   -r requirements/test.txt
@@ -279,7 +279,7 @@ pyproject-hooks==1.2.0
     #   -r requirements/pip-tools.txt
     #   build
     #   pip-tools
-pytest==9.1.0
+pytest==9.1.1
     # via
     #   -r requirements/test.txt
     #   pytest-cov
@@ -365,7 +365,7 @@ tzdata==2026.2
     # via
     #   -r requirements/test.txt
     #   kombu
-tzlocal==5.4
+tzlocal==5.4.3
     # via
     #   -r requirements/test.txt
     #   celery
@@ -377,7 +377,7 @@ vine==5.1.0
     #   amqp
     #   celery
     #   kombu
-virtualenv==21.5.0
+virtualenv==21.5.1
     # via
     #   -r requirements/ci.txt
     #   tox
diff --git a/requirements/test.txt b/requirements/test.txt
index 66262b9..b17b4ee 100644
--- a/requirements/test.txt
+++ b/requirements/test.txt
@@ -56,7 +56,7 @@ code-annotations==3.0.0
     #   -r requirements/base.txt
     #   edx-lint
     #   edx-toggles
-coverage[toml]==7.14.1
+coverage[toml]==7.14.3
     # via pytest-cov
 ddt==1.7.2
     # via -r requirements/test.in
@@ -175,7 +175,7 @@ pynacl==1.6.2
     # via
     #   -r requirements/base.txt
     #   edx-django-utils
-pytest==9.1.0
+pytest==9.1.1
     # via pytest-cov
 pytest-cov==7.1.0
     # via -r requirements/test.in
@@ -225,7 +225,7 @@ tzdata==2026.2
     # via
     #   -r requirements/base.txt
     #   kombu
-tzlocal==5.4
+tzlocal==5.4.3
     # via
     #   -r requirements/base.txt
     #   celery