diff --git a/Containers/imaginary/Dockerfile b/Containers/imaginary/Dockerfile
index 9a1315e6..4d9558d4 100644
--- a/Containers/imaginary/Dockerfile
+++ b/Containers/imaginary/Dockerfile
@@ -2,7 +2,7 @@ FROM golang:1.20.3-alpine3.17 as go
 RUN apk add --no-cache \
         vips-dev \
         build-base; \
-    go install github.com/h2non/imaginary@master # use master branch as base
+    go install github.com/h2non/imaginary@b632dae
 
 FROM alpine:3.17.3
 RUN apk add --no-cache \
@@ -15,7 +15,7 @@ COPY --from=go /go/bin/imaginary /usr/local/bin/imaginary
 
 # https://github.com/h2non/imaginary#memory-issues
 ENV MALLOC_ARENA_MAX=2
-ENTRYPOINT ["imaginary", "-return-size", "-max-allowed-resolution", "222.2"]
+ENTRYPOINT ["imaginary", "-p", "9000", "-return-size", "-max-allowed-resolution", "222.2"]
 
 HEALTHCHECK CMD nc -z localhost 9000 || exit 1
 LABEL com.centurylinklabs.watchtower.monitor-only="true"