diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 076080f..d704023 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.25.5'
+        go-version: '1.25.6'
     - name: GoReleaser
       uses: goreleaser/goreleaser-action@v6
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9f98ee5..015ac12 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,7 +18,7 @@ jobs:
     - name: Setup Go
       uses: actions/setup-go@v5
       with:
-        go-version: '1.25.5'
+        go-version: '1.25.6'
     - name: Setup ko
       uses: imjasonh/setup-ko@v0.8
       with:
diff --git a/Dockerfile b/Dockerfile
index 242b5bb..849671c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.25.5 AS build
+FROM golang:1.25.6 AS build
 ENV PROJECT grpc_health_probe
 WORKDIR /src/$PROJECT
 COPY go.mod go.sum ./
@@ -6,6 +6,6 @@ RUN go mod download
 COPY . .
 RUN CGO_ENABLED=0 go install -a -tags netgo -ldflags=-w
 
-FROM alpine:3
+FROM alpine:3.23.3
 COPY --from=build /go/bin/grpc-health-probe /bin/grpc_health_probe
 ENTRYPOINT [ "/bin/grpc_health_probe" ]
diff --git a/go.mod b/go.mod
index 6752c16..92c0f4e 100644
--- a/go.mod
+++ b/go.mod
@@ -2,9 +2,9 @@ module github.com/grpc-ecosystem/grpc-health-probe
 
 require (
 	github.com/spiffe/go-spiffe/v2 v2.5.0
-	golang.org/x/crypto v0.37.0 // indirect
-	golang.org/x/net v0.39.0 // indirect
-	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/crypto v0.45.0 // indirect
+	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/sys v0.38.0 // indirect
 	google.golang.org/grpc v1.70.0
 )
 
@@ -12,8 +12,8 @@ require (
 	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
 	github.com/zeebo/errs v1.4.0 // indirect
-	golang.org/x/sync v0.13.0 // indirect
-	golang.org/x/text v0.24.0 // indirect
+	golang.org/x/sync v0.18.0 // indirect
+	golang.org/x/text v0.31.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a // indirect
 	google.golang.org/protobuf v1.36.1 // indirect
 )
diff --git a/go.sum b/go.sum
index dc38571..9baa418 100644
--- a/go.sum
+++ b/go.sum
@@ -32,16 +32,16 @@ go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiy
 go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
 go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
 go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
-golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
-golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
-golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
-golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
-golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
-golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
-golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q=
+golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4=
+golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
+golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
+golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
+golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
+golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a h1:hgh8P4EuoxpsuKMXX/To36nOFD7vixReXgn8lPGnt+o=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
 google.golang.org/grpc v1.70.0 h1:pWFv03aZoHzlRKHWicjsZytKAiYCtNS0dHbXnIdq7jQ=