diff --git a/app/vmui/Dockerfile-web b/app/vmui/Dockerfile-web
index 1ccad9a665..69e692f5fa 100644
--- a/app/vmui/Dockerfile-web
+++ b/app/vmui/Dockerfile-web
@@ -6,7 +6,7 @@ COPY web/ /build/
 RUN GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build -o web-amd64 github.com/VictoriMetrics/vmui/ && \
     GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -o web-windows github.com/VictoriMetrics/vmui/
 
-FROM alpine:3.19.1
+FROM alpine:3.20.0
 USER root
 
 COPY --from=build-web-stage /build/web-amd64 /app/web
diff --git a/deployment/docker/Makefile b/deployment/docker/Makefile
index c7f1d18c96..f75a24ec37 100644
--- a/deployment/docker/Makefile
+++ b/deployment/docker/Makefile
@@ -2,8 +2,8 @@
 
 DOCKER_NAMESPACE ?= victoriametrics
 
-ROOT_IMAGE ?= alpine:3.19.1
-CERTS_IMAGE := alpine:3.19.1
+ROOT_IMAGE ?= alpine:3.20.0
+CERTS_IMAGE := alpine:3.20.0
 
 GO_BUILDER_IMAGE := golang:1.22.3-alpine
 BUILDER_IMAGE := local/builder:2.0.0-$(shell echo $(GO_BUILDER_IMAGE) | tr :/ __)-1
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 1be84519d2..9c44d1e5dc 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -37,6 +37,7 @@ See also [LTS releases](https://docs.victoriametrics.com/lts-releases/).
 **Update note 3: the `-maxLabelValueLen` command-line flag default value was changed from 16kB to 1kB. It may lead to truncating of labels with enormous values.**
 
 * SECURITY: upgrade Go builder from Go1.22.2 to Go1.22.3. See [the list of issues addressed in Go1.22.3](https://github.com/golang/go/issues?q=milestone%3AGo1.22.3+label%3ACherryPickApproved).
+* SECURITY: upgrade base docker image (Alpine) from 3.19.1 to 3.20.0. See [alpine 3.20.0 release notes](https://www.alpinelinux.org/posts/Alpine-3.20.0-released.html).
 
 * FEATURE: [dashboards/single](https://grafana.com/grafana/dashboards/10229): support selecting of multiple instances on the dashboard. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5869) for details.
 * FEATURE: [dashboards/single](https://grafana.com/grafana/dashboards/10229): properly display version in the Stats row for the custom builds of VictoriaMetrics.