diff --git a/builder/Dockerfile.alpine-320 b/builder/Dockerfile.alpine-320
index 22673a6..b83ef43 100644
--- a/builder/Dockerfile.alpine-320
+++ b/builder/Dockerfile.alpine-320
@@ -1,4 +1,4 @@
-FROM alpine:3.20
+FROM reg.devxy.io/docker.io/library/alpine:3.20
 
 ENV OS_IDENTIFIER alpine-320
 
diff --git a/builder/Dockerfile.alpine-321 b/builder/Dockerfile.alpine-321
index a47e9a7..5d86190 100644
--- a/builder/Dockerfile.alpine-321
+++ b/builder/Dockerfile.alpine-321
@@ -1,4 +1,4 @@
-FROM alpine:3.21
+FROM reg.devxy.io/docker.io/library/alpine:3.21
 
 ENV OS_IDENTIFIER alpine-321
 
diff --git a/builder/Dockerfile.alpine-322 b/builder/Dockerfile.alpine-322
index 7681ac9..0a3695a 100644
--- a/builder/Dockerfile.alpine-322
+++ b/builder/Dockerfile.alpine-322
@@ -1,4 +1,4 @@
-FROM alpine:3.22
+FROM reg.devxy.io/docker.io/library/alpine:3.22
 
 ENV OS_IDENTIFIER alpine-322
 
diff --git a/builder/Dockerfile.alpine-323 b/builder/Dockerfile.alpine-323
index 1c49855..9e7fa0b 100644
--- a/builder/Dockerfile.alpine-323
+++ b/builder/Dockerfile.alpine-323
@@ -1,4 +1,4 @@
-FROM alpine:3.23
+FROM reg.devxy.io/docker.io/library/alpine:3.23
 
 ENV OS_IDENTIFIER alpine-323