diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index d0e69faa78cd046ca429111d9e641ce8106911f0..dcb84a486dadccdbb98e51ee2aee53f9636155e3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,10 @@ stages:
 
 .build-env: &build-env
   stage: build-env
-  when: manual
+  only:
+    changes:
+      - Dockerfile
+      - environment.yml
   image:
     name: gcr.io/kaniko-project/executor:debug
     entrypoint: [""]
@@ -24,7 +27,8 @@ build-env:ubuntu: &build-docker
   <<: *build-env
   only:
     changes:
-      - docker/Dockerfile
+      - Dockerfile
+      - environment.yml
   script:
     - /kaniko/executor
       --context $CI_PROJECT_DIR/docker
diff --git a/Dockerfile b/Dockerfile
index 9ce0b45827bc81697f96f7a1007a1da98990a848..01f027820e905e46892e20babc472ef7276e9f32 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,4 +7,6 @@ RUN apt-get -o Acquire::Check-Valid-Until=false update -q && apt-get install -qy
     make git \
     && rm -rf /var/lib/apt/lists/*
 
+COPY environment.yml .
+
 RUN conda-env create -f environment.yml