diff --git a/Dockerfile.linux.386 b/Dockerfile.linux.386
index 10e7d14..4c8fda8 100644
--- a/Dockerfile.linux.386
+++ b/Dockerfile.linux.386
@@ -1,4 +1,4 @@
-FROM i386/alpine:3.19 AS build
+FROM i386/alpine:3.20 AS build
 RUN apk add --no-cache ca-certificates
 
 FROM scratch
diff --git a/Dockerfile.linux.amd64 b/Dockerfile.linux.amd64
index 2707bee..4887127 100644
--- a/Dockerfile.linux.amd64
+++ b/Dockerfile.linux.amd64
@@ -1,4 +1,4 @@
-FROM amd64/alpine:3.19 AS build
+FROM amd64/alpine:3.20 AS build
 RUN apk add --no-cache ca-certificates
 
 FROM scratch
diff --git a/Dockerfile.linux.arm b/Dockerfile.linux.arm
index d705b68..c74fb55 100644
--- a/Dockerfile.linux.arm
+++ b/Dockerfile.linux.arm
@@ -1,4 +1,4 @@
-FROM arm32v6/alpine:3.19 AS build
+FROM arm32v6/alpine:3.20 AS build
 RUN apk add --no-cache ca-certificates
 
 FROM scratch
diff --git a/Dockerfile.linux.arm64 b/Dockerfile.linux.arm64
index 1a8e3d1..d084360 100644
--- a/Dockerfile.linux.arm64
+++ b/Dockerfile.linux.arm64
@@ -1,4 +1,4 @@
-FROM arm64v8/alpine:3.19 AS build
+FROM arm64v8/alpine:3.20 AS build
 RUN apk add --no-cache ca-certificates
 
 FROM scratch