diff --git a/pyblockchain/requirements.txt b/pyblockchain/requirements.txt
index 7d25dd1..22ee285 100644
--- a/pyblockchain/requirements.txt
+++ b/pyblockchain/requirements.txt
@@ -1,4 +1,4 @@
 base58==1.0.3
 ecdsa==0.13.3
-Flask==2.3.2
+Flask==3.1.3
 requests==2.32.4
\ No newline at end of file