diff --git a/infra/values/base/backstage-values.yaml b/infra/values/base/backstage-values.yaml
index 10a8404..8b5f32a 100644
--- a/infra/values/base/backstage-values.yaml
+++ b/infra/values/base/backstage-values.yaml
@@ -38,6 +38,7 @@ upstream:
 
     extraEnvVarsSecrets:
     - backstage-oidc-credentials
+    - backstage-session-secret
 
     appConfig:
       app:
@@ -50,6 +51,8 @@ upstream:
       # -- Keycloak OIDC authentication
       signInPage: oidc
       auth:
+        session:
+          secret: ${AUTH_SESSION_SECRET}
         environment: production
         providers:
           oidc: