diff --git a/tests/requirements.in b/tests/requirements.in
index 4eda302..8f294a0 100644
--- a/tests/requirements.in
+++ b/tests/requirements.in
@@ -1,7 +1,7 @@
 deepmerge==1.1.1
 email_validator==2.1.0.post1
 flask-wtf==1.2.1
-flask==3.0.2
-govuk-frontend-jinja==3.0.0
+flask==2.3.3
+govuk-frontend-jinja==2.8.0
 pytest-cov==4.1.0
 pyyaml==6.0.1
diff --git a/tests/requirements.txt b/tests/requirements.txt
index dd2d2c8..464cc7e 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -18,13 +18,13 @@ dnspython==2.5.0
     # via email-validator
 email-validator==2.1.0.post1
     # via -r requirements.in
-flask==3.0.2
+flask==2.3.3
     # via
     #   -r requirements.in
     #   flask-wtf
 flask-wtf==1.2.1
     # via -r requirements.in
-govuk-frontend-jinja==3.0.0
+govuk-frontend-jinja==2.8.0
     # via -r requirements.in
 idna==3.6
     # via email-validator