diff --git a/Dockerfile b/Dockerfile
index 912575fe68..abb08ca70b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ FROM docker/compose-bin:${COMPOSE_VERSION} AS compose-bin
 
 
 # DHI source: https://hub.docker.com/repository/docker/octopusdeploy/dhi-debian-base
-FROM octopusdeploy/dhi-debian-base:trixie-debian13 AS compose-plugin
+FROM octopusdeploy/dhi-debian-base:trixie-debian13@sha256:9ef766670af4743904b0f992a26b525c6c914648b56ea597ec23452adcf1a95d AS compose-plugin
 WORKDIR /home/compose
 COPY --chown=nonroot:nonroot --chmod=755 --from=compose-bin /docker-compose /usr/local/bin/docker-compose
 
diff --git a/service.yaml b/service.yaml
index a8ed905a5f..bb45bb2b12 100644
--- a/service.yaml
+++ b/service.yaml
@@ -1 +1 @@
-version: 1.6.0
+version: 1.6.1