diff --git a/Dockerfile b/Dockerfile
index 889a83f..94d8086 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1-alpine3.15 AS builder
+FROM golang:1-alpine3.16 AS builder
 
 RUN apk add --no-cache git ca-certificates build-base su-exec olm-dev
 
@@ -6,7 +6,7 @@ COPY . /build
 WORKDIR /build
 RUN go build -o /usr/bin/mautrix-whatsapp
 
-FROM alpine:3.15
+FROM alpine:3.16
 
 ENV UID=1337 \
     GID=1337
diff --git a/Dockerfile.ci b/Dockerfile.ci
index bd1e539..2f2e657 100644
--- a/Dockerfile.ci
+++ b/Dockerfile.ci
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+FROM alpine:3.16
 
 ENV UID=1337 \
     GID=1337