diff --git a/Dockerfile b/Dockerfile
index f952604..d6e34a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,19 +1,19 @@
-FROM alpine:3.20.2
+FROM alpine:3.21.0
 
 RUN \
     # Update and install system applications
     apk add --update --no-cache \
-        bind-tools=9.18.27-r0 \
-        certbot=2.10.0-r1 \
-        curl=8.9.1-r1 \
-        libcap=2.70-r0 \
-        lua-resty-core=0.1.28-r0 \
-        nginx=1.26.2-r0 \
-        nginx-mod-http-fancyindex=1.26.2-r0 \
-        nginx-mod-http-headers-more=1.26.2-r0 \
-        nginx-mod-http-lua=1.26.2-r0 \
-        openssl=3.3.1-r3 \
-        shadow=4.15.1-r0 \
+        bind-tools=9.18.32-r0 \
+        certbot=3.0.1-r0 \
+        curl=8.11.1-r0 \
+        libcap=2.71-r0 \
+        lua-resty-core=0.1.29-r0 \
+        nginx=1.26.2-r3 \
+        nginx-mod-http-fancyindex=1.26.2-r3 \
+        nginx-mod-http-headers-more=1.26.2-r3 \
+        nginx-mod-http-lua=1.26.2-r3 \
+        openssl=3.3.2-r4 \
+        shadow=4.16.0-r1 \
         tini=0.19.0-r3 && \
     # Remove default NGINX vHosts and websites
     rm -f /etc/nginx/sites-enabled/default && \