diff --git a/pubspec.lock b/pubspec.lock
index f91041b..849dc27 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -229,10 +229,10 @@ packages:
     dependency: "direct main"
     description:
       name: pointycastle
-      sha256: "43ac87de6e10afabc85c445745a7b799e04de84cebaa4fd7bf55a5e1e9604d29"
+      sha256: "79fbafed02cfdbe85ef3fd06c7f4bc2cbcba0177e61b765264853d4253b21744"
       url: "https://pub.dev"
     source: hosted
-    version: "3.7.4"
+    version: "3.9.0"
   pool:
     dependency: transitive
     description: