diff --git a/tests/requirements.in b/tests/requirements.in
index db5189f..d48597d 100644
--- a/tests/requirements.in
+++ b/tests/requirements.in
@@ -1,7 +1,7 @@
 deepmerge==2.0
 email_validator==2.2.0
 flask-wtf==1.2.1
-flask==3.0.3
+flask==3.1.0
 govuk-frontend-jinja==3.4.0
 pytest-cov==5.0.0
 pyyaml==6.0.2
diff --git a/tests/requirements.txt b/tests/requirements.txt
index af18829..192cd3a 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -4,26 +4,26 @@
 #
 #    pip-compile requirements.in
 #
-blinker==1.8.2
+blinker==1.9.0
     # via flask
 click==8.1.7
     # via flask
 coverage[toml]==7.6.3
     # via pytest-cov
 deepmerge==2.0
-    # via -r requirements.in
+    # via -r tests/requirements.in
 dnspython==2.7.0
     # via email-validator
 email-validator==2.2.0
-    # via -r requirements.in
-flask==3.0.3
+    # via -r tests/requirements.in
+flask==3.1.0
     # via
-    #   -r requirements.in
+    #   -r tests/requirements.in
     #   flask-wtf
 flask-wtf==1.2.1
-    # via -r requirements.in
+    # via -r tests/requirements.in
 govuk-frontend-jinja==3.4.0
-    # via -r requirements.in
+    # via -r tests/requirements.in
 idna==3.10
     # via email-validator
 iniconfig==2.0.0
@@ -48,10 +48,10 @@ pluggy==1.5.0
 pytest==8.3.3
     # via pytest-cov
 pytest-cov==5.0.0
-    # via -r requirements.in
+    # via -r tests/requirements.in
 pyyaml==6.0.2
-    # via -r requirements.in
-werkzeug==3.0.4
+    # via -r tests/requirements.in
+werkzeug==3.1.3
     # via flask
 wtforms==3.1.2
     # via flask-wtf