diff --git a/docs/changelog/98883.yaml b/docs/changelog/98883.yaml
new file mode 100644
index 0000000000000..a8525a432d142
--- /dev/null
+++ b/docs/changelog/98883.yaml
@@ -0,0 +1,6 @@
+pr: 99983
+summary: Use non-deprecated SAML callback URL in SAML smoketests
+area: Authorization
+type: enhancement
+issues:
+ - 99986
diff --git a/x-pack/plugin/security/qa/smoke-test-all-realms/build.gradle b/x-pack/plugin/security/qa/smoke-test-all-realms/build.gradle
index ca33b61de4ca5..d80dbe14e6ccb 100644
--- a/x-pack/plugin/security/qa/smoke-test-all-realms/build.gradle
+++ b/x-pack/plugin/security/qa/smoke-test-all-realms/build.gradle
@@ -62,7 +62,7 @@ testClusters.matching { it.name == 'javaRestTest' }.configureEach {
   setting 'xpack.security.authc.realms.saml.saml5.idp.metadata.path', 'saml-metadata.xml'
   setting 'xpack.security.authc.realms.saml.saml5.idp.entity_id', 'http://idp.example.com/'
   setting 'xpack.security.authc.realms.saml.saml5.sp.entity_id', 'http://kibana.example.net/'
-  setting 'xpack.security.authc.realms.saml.saml5.sp.acs', 'http://kibana.example.net/api/security/v1/saml'
+  setting 'xpack.security.authc.realms.saml.saml5.sp.acs', 'http://kibana.example.net/api/security/saml/callback'
   setting 'xpack.security.authc.realms.saml.saml5.attributes.principal', 'uid'
   //  - Kerberos (configured but won't work because we don't want external fixtures in this test suite)
   setting 'xpack.security.authc.realms.kerberos.kerb6.order', '6'