diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..ca60fab
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,43 @@
+name: publish
+
+on:
+  push:
+    branches:
+    - master
+    paths:
+      - 'src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj'
+
+jobs:
+  check-bump-version:
+    runs-on: ubuntu-latest
+    outputs:
+      new-version: ${{ steps.diff.outputs.version }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 200
+      - name: Get version from csproj
+        run: |
+          version="$(grep -o --color=never "<PackageVersion>[0-9]\+\.[0-9]\+\.[0-9]\+" src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj | sed 's/<PackageVersion>//')"
+          echo "version=$version" >> "$GITHUB_OUTPUT"
+        id: diff
+
+  publish:
+    needs: check-bump-version
+    if: ${{ needs.check-bump-version.outputs.new-version }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@main
+      - name: Setup .NET
+        uses: actions/setup-dotnet@main
+        with:
+          dotnet-version: '5.0.x'
+
+      - name: dotnet build
+        run: dotnet build ./Dena.CodeAnalysis.Testing.sln  --configuration Release
+
+      - name: Create NuPkg
+        run: dotnet pack ./src/Dena.CodeAnalysis.Testing --include-symbols --configuration Release -o ./nupkg
+
+      - name: Publish NuPkg
+        run: dotnet nuget push ./nupkg/Dena.CodeAnalysis.Testing.*.symbols.nupkg -s https://api.nuget.org/v3/index.json --api-key ${{ secrets.NUGET_TOKEN }}
diff --git a/publish b/publish
deleted file mode 100755
index 14a1349..0000000
--- a/publish
+++ /dev/null
@@ -1,96 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-BASE_DIR="$(cd "$(dirname "$0")"; pwd)"
-NUPKG_BASENAME='Dena.CodeAnalysis.Testing.nupkg'
-
-
-throw() {
-	local msg="$*"
-	printf '%s\n' "$msg" 1>&2
-	false
-}
-
-
-has() {
-	local cmd="$1"
-	which "$cmd" >/dev/null 2>&1
-}
-
-
-usage() {
-	cat - 1>&2 <<-EOS
-usage: publish [<options>]
-
-OPTIONS
-	-h, --help	print this help
-EOS
-}
-
-
-get-version() {
-	(cd "$BASE_DIR"
-		grep -o '<PackageVersion>[^<]*</PackageVersion>' ./src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj | sed 's/<PackageVersion>\([^<]*\).*/\1/'
-	)
-}
-
-
-validate-env() {
-	has dotnet || throw "dotnet must be installed (see https://docs.microsoft.com/ja-jp/dotnet/core/tools/)"
-	has nuget || throw "nuget must be installed (see https://docs.microsoft.com/ja-jp/nuget/install-nuget-client-tools)"
-}
-
-
-acquire-tag() {
-	(cd "$BASE_DIR"
-		local version="$1"
-		if (git tag | grep -Fqx "$version"); then
-			throw "a tag has the same name exists on local, so if still you want to overwrite the tag, please remove the tag on local and try again.: '$version'"
-		fi
-		git tag "$version"
-	)
-}
-
-
-build() {
-	local dst="$1"
-	local version="$2"
-
-	(cd "$BASE_DIR"
-		dotnet build --no-incremental
-
-		local nupkg_orig
-		nupkg_orig="./src/Dena.CodeAnalysis.Testing/bin/Debug/Dena.CodeAnalysis.Testing.${version}.nupkg"
-		[[ -f "$nupkg_orig" ]] || throw "no .nupkg found at '$nupkg_orig'"
-
-		cp "$nupkg_orig" "$dst"
-	)
-}
-
-
-main() {
-	local arg="${1:-}"
-	if [[ "$arg" == "--help" ]] || [[  "$arg" == "-h" ]]; then
-		usage
-		false
-	fi
-	if [[ "$arg" == "--version" ]] || [[  "$arg" == "-v" ]]; then
-		get-version
-		exit 0
-	fi
-
-	validate-env
-
-	local version
-	version="$(get-version)"
-	acquire-tag "$version"
-
-	local nupkg="./${NUPKG_BASENAME}"
-	build "$nupkg" "$version"
-
-	nuget push "$nupkg" -Source https://api.nuget.org/v3/index.json
-	git push origin "$version"
-}
-
-
-main "$@"
diff --git a/src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj b/src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj
index 3bff4d1..3e99b3d 100644
--- a/src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj
+++ b/src/Dena.CodeAnalysis.Testing/Dena.CodeAnalysis.Testing.csproj
@@ -9,7 +9,7 @@
 
   <PropertyGroup>
     <PackageId>Dena.CodeAnalysis.Testing</PackageId>
-    <PackageVersion>3.0.3</PackageVersion>
+    <PackageVersion>3.0.4</PackageVersion>
     <Authors>Kazuma Inagaki, Koji Hasegawa, Kuniwak</Authors>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <Description>Test helpers for DiagnosticAnalyzers</Description>