diff --git a/Dockerfile.buf b/Dockerfile.buf
index f9418bdb14..721a5e75f7 100644
--- a/Dockerfile.buf
+++ b/Dockerfile.buf
@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} golang:1.22-alpine3.19 as builder
+FROM --platform=${BUILDPLATFORM} golang:1.22-alpine3.20 as builder
 
 WORKDIR /workspace
 
@@ -13,7 +13,7 @@ ARG TARGETARCH
 RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
   go build -ldflags "-s -w" -trimpath -buildvcs=false -o /go/bin/buf ./cmd/buf
 
-FROM --platform=${TARGETPLATFORM} alpine:3.19.1
+FROM --platform=${TARGETPLATFORM} alpine:3.20.0
 
 RUN apk add --update --no-cache \
     ca-certificates \
diff --git a/Dockerfile.workspace b/Dockerfile.workspace
index 2e55768a1b..40bb300445 100644
--- a/Dockerfile.workspace
+++ b/Dockerfile.workspace
@@ -1,4 +1,4 @@
-FROM golang:1.22-alpine3.19
+FROM golang:1.22-alpine3.20
 
 ARG PROJECT
 ARG GO_MODULE
diff --git a/make/buf/all.mk b/make/buf/all.mk
index 74aa0e71fb..34b298b202 100644
--- a/make/buf/all.mk
+++ b/make/buf/all.mk
@@ -185,7 +185,7 @@ endif
 	# make sure both of these docker images exist
 	# the release of these images will lag the actual release
 	docker pull golang:$(GOVERSION)-bookworm
-	docker pull golang:$(GOVERSION)-alpine3.19
+	docker pull golang:$(GOVERSION)-alpine3.20
 	$(SED_I) "s/golang:1\.[0-9][0-9]*/golang:$(GOVERSION)/g" $(shell git-ls-files-unstaged | grep Dockerfile)
 	$(SED_I) "s/golang:1\.[0-9][0-9]*/golang:$(GOVERSION)/g" $(shell git-ls-files-unstaged | grep \.mk$)
 	$(SED_I) "s/go-version: '1\.[0-9][0-9].x'/go-version: '$(GOVERSION).x'/g" $(shell git-ls-files-unstaged | grep \.github\/workflows | grep -v previous.yaml)
diff --git a/private/bufpkg/bufplugin/bufplugindocker/testdata/success/Dockerfile b/private/bufpkg/bufplugin/bufplugindocker/testdata/success/Dockerfile
index 7be5bacafb..149988154b 100644
--- a/private/bufpkg/bufplugin/bufplugindocker/testdata/success/Dockerfile
+++ b/private/bufpkg/bufplugin/bufplugindocker/testdata/success/Dockerfile
@@ -1,3 +1,3 @@
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 
 RUN echo "success"