diff --git a/composer.lock b/composer.lock
index 194013bb5..659593146 100644
--- a/composer.lock
+++ b/composer.lock
@@ -2803,16 +2803,16 @@
         },
         {
             "name": "simplesamlphp/saml2",
-            "version": "v4.19.2",
+            "version": "v4.19.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/simplesamlphp/saml2.git",
-                "reference": "93df4bffc052939e74ec0c1208e66cbd7eb2a1b2"
+                "reference": "d5c213132ef671c0018a11252322034dbddd735a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/93df4bffc052939e74ec0c1208e66cbd7eb2a1b2",
-                "reference": "93df4bffc052939e74ec0c1208e66cbd7eb2a1b2",
+                "url": "https://api.github.com/repos/simplesamlphp/saml2/zipball/d5c213132ef671c0018a11252322034dbddd735a",
+                "reference": "d5c213132ef671c0018a11252322034dbddd735a",
                 "shasum": ""
             },
             "require": {
@@ -2858,9 +2858,9 @@
             "description": "SAML2 PHP library from SimpleSAMLphp",
             "support": {
                 "issues": "https://github.com/simplesamlphp/saml2/issues",
-                "source": "https://github.com/simplesamlphp/saml2/tree/v4.19.2"
+                "source": "https://github.com/simplesamlphp/saml2/tree/v4.19.3"
             },
-            "time": "2026-03-13T12:09:45+00:00"
+            "time": "2026-07-06T21:31:10+00:00"
         },
         {
             "name": "symfony/asset",