diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index b0ea1af..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,5 +0,0 @@
-FROM git.janishutz.com/registry/latex-build:latest
-
-WORKDIR /root
-
-ENTRYPOINT [ "/root/entrypoint.sh" ]
diff --git a/action.yml b/action.yml
index fc3262d..5e839cc 100644
--- a/action.yml
+++ b/action.yml
@@ -15,7 +15,7 @@ inputs:
     default: ""
 runs:
   using: docker
-  image: Dockerfile
+  image: "docker://git.janishutz.com/registry/latex-build"
   args:
     - ${{ inputs.workdir }}
     - ${{ inputs.include_helpers }}