diff --git a/package-lock.json b/package-lock.json
index 39b0503..ef6c0a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.4.1",
       "license": "Apache 2.0",
       "dependencies": {
-        "@boxyhq/saml20": "1.10.2",
+        "@boxyhq/saml20": "1.12.1",
         "daisyui": "4.12.24",
         "next": "15.5.3",
         "react": "19.1.1",
@@ -50,9 +50,9 @@
       }
     },
     "node_modules/@boxyhq/saml20": {
-      "version": "1.10.2",
-      "resolved": "https://registry.npmjs.org/@boxyhq/saml20/-/saml20-1.10.2.tgz",
-      "integrity": "sha512-B7Z3bbgc2T3+284nqyciHeQpu4+isBITuRKeLsznHIkunXb/viakkfGJOmW78ohmtGz0P73lu6mAuQBm8ASAJA==",
+      "version": "1.12.1",
+      "resolved": "https://registry.npmjs.org/@boxyhq/saml20/-/saml20-1.12.1.tgz",
+      "integrity": "sha512-lAHJ13kTZqPgSFUuAV8+kg5As3/MoSfiEr96tNKP0sj6c6o/Sbwn6DIhUZLQRNzDtmyAu9zuQk3vdbY5BK56Xg==",
       "license": "MIT",
       "dependencies": {
         "@xmldom/xmldom": "0.9.8",
diff --git a/package.json b/package.json
index 51f8dcb..dd1e609 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "release": "git checkout release && git merge origin/main && release-it && git checkout main && git merge origin/release && git push origin main"
   },
   "dependencies": {
-    "@boxyhq/saml20": "1.10.2",
+    "@boxyhq/saml20": "1.12.1",
     "daisyui": "4.12.24",
     "next": "15.5.3",
     "react": "19.1.1",
diff --git a/pages/api/saml/sso.ts b/pages/api/saml/sso.ts
index e69dd0a..910aeca 100644
--- a/pages/api/saml/sso.ts
+++ b/pages/api/saml/sso.ts
@@ -34,8 +34,7 @@ async function processSAMLRequest(req: NextApiRequest, res: NextApiResponse, isP
     const { id, audience, acsUrl, providerName, publicKey } = await saml.parseSAMLRequest(rawRequest, isPost);
 
     if (isPost) {
-      const { valid } = await saml.hasValidSignature(rawRequest, publicKey, null);
-      if (!valid) {
+      if (!saml.validateSignature(rawRequest, publicKey, null)) {
         throw new Error('Invalid signature');
       }
     }