diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 9f6eebf..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,17 +0,0 @@
-FROM lycheeverse/lychee:0.9.0@sha256:d5b7a864beb60cb56d0eb0034fcabf2ede343ddef1c64d6f69b5493a57fc38c3
-
-LABEL maintainer="Matthias Endler <matthias-endler@gmx.net>"
-LABEL repository="https://github.com/lycheeverse/lychee-action"
-LABEL homepage="https://github.com/lycheeverse/lychee-action"
-
-LABEL com.github.actions.name="Link Checker"
-LABEL com.github.actions.description="Quickly check links in Markdown, HTML, and text files"
-LABEL com.github.actions.icon="external-link"
-LABEL com.github.actions.color="purple"
-
-COPY README.md /
-COPY LICENSE-MIT LICENSE-APACHE /
-
-COPY entrypoint.sh /entrypoint.sh
-
-ENTRYPOINT ["/entrypoint.sh"]
diff --git a/action.yml b/action.yml
index c32e0cb..e3e5744 100644
--- a/action.yml
+++ b/action.yml
@@ -18,8 +18,18 @@ inputs:
     default: false
     required: false
 runs:
-  using: "docker"
-  image: "Dockerfile"
+  using: "composite"
+  steps:
+    - name: install lychee
+      run: |
+        curl -LO 'https://github.com/lycheeverse/lychee/releases/download/v0.9.0/lychee-v0.9.0-x86_64-unknown-linux-gnu.tar.gz'
+        tar -xvzf lychee-v0.9.0-x86_64-unknown-linux-gnu.tar.gz
+        chmod 755 lychee
+      shell: bash
+    - run: |
+        source entrypoint.sh
+      shell: bash
+
 branding:
   icon: "external-link"
   color: "purple"