diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0ffbcfe..add354f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,9 +21,9 @@ jobs:
 
       - name: Download Soju
         run: |
-          curl --remote-name https://codeberg.org/emersion/soju/releases/download/v${{ github.event.inputs.version }}/soju-${{ github.event.inputs.version }}.tar.gz
-          tar -xvzf soju-${{ github.event.inputs.version }}.tar.gz
-          mv soju-${{ github.event.inputs.version }} soju
+          make soju
+        env:
+          SOJU_VERSION: ${{ github.event.inputs.version }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6968d61
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+soju
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9fa3f5a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+soju:
+	curl --output soju.tar.gz https://codeberg.org/emersion/soju/releases/download/v$$SOJU_VERSION/soju-$$SOJU_VERSION.tar.gz
+	tar -xvzf soju.tar.gz
+	rm soju.tar.gz
+	mv soju-$$SOJU_VERSION soju