diff --git a/Dockerfile b/Dockerfile
index 55ee063..b6f1e74 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # VULNERABLE Alpine 3.20 (PRE-CVE-2025-15467 fix)
 # For testing vulnerability scanning/fixing tools
-FROM alpine:3.20
+FROM alpine:3.24
 
 # Install vulnerable OpenSSL (pre-Jan 2026 patches)
 RUN apk add --no-cache openssl
diff --git a/Dockerfile.dev b/Dockerfile.dev
index bf72087..4f5a424 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,6 +1,6 @@
 # VULNERABLE Alpine 3.23.1 (PRE-CVE-2025-15467 fix)
 # For testing vulnerability scanning/fixing tools
-FROM alpine:3.23.1
+FROM alpine:3.24.0
 
 # Install vulnerable OpenSSL (pre-Jan 2026 patches)
 RUN apk add --no-cache openssl