diff --git a/Dockerfile.linux.386 b/Dockerfile.linux.386
index 6e12c02..cdaa7ef 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 5dd6617..1403117 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 ab46b90..9feac9f 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 83e07cb..93c50d3 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