diff --git a/.simplesamlphp_version b/.simplesamlphp_version
index 91c48c0..82bd22f 100644
--- a/.simplesamlphp_version
+++ b/.simplesamlphp_version
@@ -1 +1 @@
-1.19.9
+2.0.13
diff --git a/docker-compose.yml b/docker-compose.yml
index 55419f4..aec8ae4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     build:
       context: .
       args:
-        SIMPLESAMLPHP_VERSION: "1.19.9"
+        SIMPLESAMLPHP_VERSION: "2.0.13"
     environment:
       SIMPLESAMLPHP_SP_ENTITY_ID: http://app.example.com
       SIMPLESAMLPHP_SP_ASSERTION_CONSUMER_SERVICE: http://localhost/simplesaml/module.php/saml/sp/saml2-acs.php/test-sp