diff --git a/explorer/rest/requirements.txt b/explorer/rest/requirements.txt
index a1264426f..fb79191e0 100644
--- a/explorer/rest/requirements.txt
+++ b/explorer/rest/requirements.txt
@@ -1,5 +1,5 @@
 aiohttp==3.8.5
-Flask==2.2.3
+Flask==2.3.3
 psycopg2-binary==2.9.7
 symbol-sdk-python==3.1.0
 zenlog==1.1