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..b78d80a 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:bd38dc3d2895c7434b9b75c86525642efe3d65e4c6aadfe397486d7cc89406f0
     command:
       [
         "--replSet",
@@ -26,7 +26,7 @@ services:
       - "mongo1_config:/data/configdb"
 
   zookeeper:
-    image: confluentinc/cp-zookeeper:latest
+    image: confluentinc/cp-zookeeper:latest@sha256:4dc780642bfc5ec3a2d4901e2ff1f9ddef7f7c5c0b793e1e2911cbfb4e3a3214
     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@sha256:620734d9fc0bb1f9886932e5baf33806074469f40e3fe246a3fdbb59309535fa
     container_name: kafka
     hostname: kafka
     ports: