diff --git a/5.1/alpine3.6/Dockerfile b/5.1/alpine3.6/Dockerfile
index f56cd89..54715f3 100644
--- a/5.1/alpine3.6/Dockerfile
+++ b/5.1/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.23
 
 ENTRYPOINT ["lua"]
 
diff --git a/5.2/alpine3.6/Dockerfile b/5.2/alpine3.6/Dockerfile
index 80d1f4e..50a7d5d 100644
--- a/5.2/alpine3.6/Dockerfile
+++ b/5.2/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.23
 
 ENTRYPOINT ["lua"]
 
diff --git a/5.3/alpine3.6/Dockerfile b/5.3/alpine3.6/Dockerfile
index 266c9ab..c5d63c4 100644
--- a/5.3/alpine3.6/Dockerfile
+++ b/5.3/alpine3.6/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13
+FROM alpine:3.23
 
 ENTRYPOINT ["lua"]