diff --git a/Dockerfile b/Dockerfile
index 12ed024..cf7d897 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18.13.0 as builder
+FROM node:18.13.0@sha256:d871edd5b68105ebcbfcde3fe8c79d24cbdbb30430d9bd6251c57c56c7bd7646 as builder
 
 WORKDIR /usr/src/app
 
@@ -7,7 +7,7 @@ COPY / /usr/src/app/
 RUN yarn install \
   && yarn build
 
-FROM node:18.13.0-alpine
+FROM node:18.13.0-alpine@sha256:fda98168118e5a8f4269efca4101ee51dd5c75c0fe56d8eb6fad80455c2f5827
 
 # Install major CA certificates to cover
 # https://github.com/SparebankenVest/azure-key-vault-to-kubernetes integration
diff --git a/__integrations__/docker-compose.yml b/__integrations__/docker-compose.yml
index 3c4c232..c1d687c 100644
--- a/__integrations__/docker-compose.yml
+++ b/__integrations__/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3.8"
 
 services:
   mongo1:
-    image: mongo:7.0
+    image: mongo:7.0@sha256:0032d2ca20db5fa34926f196c8a43b74e34ed239a7f2453ff1505b6f12ba8ea6
     command:
       [
         "--replSet",
@@ -26,7 +26,7 @@ services:
       - "mongo1_config:/data/configdb"
 
   zookeeper:
-    image: confluentinc/cp-zookeeper:latest
+    image: confluentinc/cp-zookeeper:latest@sha256:86bfe47cc8b55e290bbe21c156e99ac3859df7a1dea66379e43a137d32e80ea3
     container_name: zookeeper
     environment:
       ZOOKEEPER_CLIENT_PORT: 2181
@@ -35,7 +35,7 @@ services:
       - "2181:2181"
 
   kafka:
-    image: confluentinc/cp-kafka:latest
+    image: confluentinc/cp-kafka:latest@sha256:653f49c51cfebcf8301938d01044efead6afbd8dd60acd2bcf1605d7c6494d3b
     container_name: kafka
     hostname: kafka
     ports: