diff --git a/blueprints/testing/oidc-conformance.yaml b/blueprints/testing/oidc-conformance.yaml
index 380b1a7feb..fdc3814e5c 100644
--- a/blueprints/testing/oidc-conformance.yaml
+++ b/blueprints/testing/oidc-conformance.yaml
@@ -44,8 +44,7 @@ entries:
         - matching_mode: strict
           url: https://localhost:8443/test/a/authentik/callback
         - matching_mode: strict
-          url: https://10.120.20.76:8443/test/a/authentik/callback
-          # url: !Format [https://%s:8443/test/a/authentik/callback, !Context host_ip]
+          url: https://host.docker.internal:8443/test/a/authentik/callback
       property_mappings:
         - !Find [authentik_providers_oauth2.scopemapping, [managed, goauthentik.io/providers/oauth2/scope-openid]]
         - !Find [authentik_providers_oauth2.scopemapping, [managed, goauthentik.io/providers/oauth2/scope-email]]
@@ -74,8 +73,7 @@ entries:
         - matching_mode: strict
           url: https://localhost:8443/test/a/authentik/callback
         - matching_mode: strict
-          url: https://10.120.20.76:8443/test/a/authentik/callback
-          # url: !Format [https://%s:8443/test/a/authentik/callback, !Context host_ip]
+          url: https://host.docker.internal:8443/test/a/authentik/callback
       property_mappings:
         - !Find [authentik_providers_oauth2.scopemapping, [managed, goauthentik.io/providers/oauth2/scope-openid]]
         - !Find [authentik_providers_oauth2.scopemapping, [managed, goauthentik.io/providers/oauth2/scope-email]]
diff --git a/tests/openid_conformance/compose.yml b/tests/openid_conformance/compose.yml
index 255e70d859..71cc0bca14 100644
--- a/tests/openid_conformance/compose.yml
+++ b/tests/openid_conformance/compose.yml
@@ -14,13 +14,15 @@ services:
     image: ghcr.io/beryju/oidc-conformance-suite-server:v5.1.32
     ports:
       - "9999:9999"
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
     command: >
       java
       -Xdebug -Xrunjdwp:transport=dt_socket,address=*:9999,server=y,suspend=n
       -jar /server/fapi-test-suite.jar
       -Djdk.tls.maxHandshakeMessageSize=65536
-      --fintechlabs.base_url=https://10.120.20.76:8443
-      --fintechlabs.base_mtls_url=https://localhost.emobix.co.uk:8444
+      --fintechlabs.base_url=https://host.docker.internal:8443
+      --fintechlabs.base_mtls_url=https://host.docker.internal:8444
       --fintechlabs.devmode=true
       --fintechlabs.startredir=true
     links: