diff --git a/.github/workflows/release_ci.yml b/.github/workflows/release_ci.yml
index 78f677c..94d26ed 100644
--- a/.github/workflows/release_ci.yml
+++ b/.github/workflows/release_ci.yml
@@ -13,8 +13,8 @@ jobs:
           fetch-depth: 0
           submodules: 'recursive'
 
-      - name: Archive rimerc
-        run: make archive
+      - name: Build rimerc
+        run: make release
 
       - name: Build changelog
         id: release_log
@@ -30,7 +30,7 @@ jobs:
       - name: Create release
         uses: ncipollo/release-action@v1
         with:
-          artifacts: "release/*.zip"
+          artifacts: "release/*.zip,release/*.sha256.txt"
           body: |
             ${{ steps.release_log.outputs.changelog }}
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/Makefile b/Makefile
index 163420f..ef9ff0b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,9 @@
 # build script for rimerc
 releasePath=release
 
-.PHONY: all pacakge archive install clean
+.PHONY: all pacakge archive sha256sum release install clean
 
-all: archive
+all: release
 
 pacakge:
 	./script/package.sh
@@ -11,6 +11,11 @@ pacakge:
 archive: pacakge
 	./script/archive.sh
 
+sha256sum: archive
+	./script/sha256sum.sh
+
+release: sha256sum
+
 clean:
 	rm -rf ${releasePath}
 
diff --git a/script/sha256sum.sh b/script/sha256sum.sh
new file mode 100755
index 0000000..1b4aa0a
--- /dev/null
+++ b/script/sha256sum.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+releasePath=release
+
+pushd ${releasePath}
+
+for zip in *.zip
+do
+  sha256sum ${zip} > ${zip}.sha256.txt
+done
+
+popd