diff --git a/backend/requirements-UPGRADED.txt b/backend/requirements-UPGRADED.txt
index 52161274..327d8f21 100644
--- a/backend/requirements-UPGRADED.txt
+++ b/backend/requirements-UPGRADED.txt
@@ -41,7 +41,7 @@ Authlib==1.6.11
 # ──────────────────────────────────────────────────────────────────────────────
 # PAYMENT & STRIPE (UPDATED)
 # ──────────────────────────────────────────────────────────────────────────────
-stripe>=13.0.0
+stripe>=15.6.1
 
 # ──────────────────────────────────────────────────────────────────────────────
 # OBSERVABILITY & MONITORING (UPDATED)
diff --git a/backend/requirements.txt b/backend/requirements.txt
index d3d18bb5..984169f5 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -313,4 +313,4 @@ xxhash==3.6.0
 yarl==1.20.1
 zipp==3.23.0
 zstandard==0.25.0
-stripe>=10.0.0
+stripe>=15.6.1
diff --git a/requirements.txt b/requirements.txt
index ab7ac0f6..31bd9f3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,4 +25,4 @@ PyJWT==2.12.0
 python-multipart==0.0.22
 tornado==6.5.5
 pillow==12.1.1
-stripe>=7.0.0
+stripe>=15.6.1