diff --git a/archery_range/sqli/requirements.txt b/archery_range/sqli/requirements.txt
index d69390b8..2e25483b 100644
--- a/archery_range/sqli/requirements.txt
+++ b/archery_range/sqli/requirements.txt
@@ -1,3 +1,3 @@
-Flask==2.2.2
+Flask==3.1.3
 PyMySQL==1.0.2
 psycopg2-binary==2.9.3
diff --git a/archery_range/xss/requirements.txt b/archery_range/xss/requirements.txt
index c9edc1a7..af266d21 100644
--- a/archery_range/xss/requirements.txt
+++ b/archery_range/xss/requirements.txt
@@ -1 +1 @@
-Flask==2.2.2
+Flask==3.1.3
diff --git a/archery_range/xxe/requirements.txt b/archery_range/xxe/requirements.txt
index c9edc1a7..af266d21 100644
--- a/archery_range/xxe/requirements.txt
+++ b/archery_range/xxe/requirements.txt
@@ -1 +1 @@
-Flask==2.2.2
+Flask==3.1.3