diff --git a/Dockerfile.compile b/Dockerfile.compile
index 3ab049d8c..1eda0f7ac 100644
--- a/Dockerfile.compile
+++ b/Dockerfile.compile
@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.20
 RUN apk add --update \
     openjdk11 \
     && rm -rf /var/cache/apk
diff --git a/Dockerfile.slim b/Dockerfile.slim
index 247b752a6..32de06648 100644
--- a/Dockerfile.slim
+++ b/Dockerfile.slim
@@ -1,4 +1,4 @@
-FROM alpine:3.16
+FROM alpine:3.20
 LABEL maintainer="sig-platform@spinnaker.io"
 RUN apk --no-cache add --update bash curl openjdk17-jre
 RUN addgroup -S -g 10111 spinnaker
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index ee562a9ed..748b45f40 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -1,4 +1,4 @@
-FROM ubuntu:bionic
+FROM ubuntu:jammy
 LABEL maintainer="sig-platform@spinnaker.io"
 RUN apt-get update && apt-get -y install curl openjdk-17-jre-headless wget
 RUN adduser --system --uid 10111 --group spinnaker