diff --git a/.github/workflows/golangci.yml b/.github/workflows/golangci.yml
index 75c590f..7a2c7f2 100644
--- a/.github/workflows/golangci.yml
+++ b/.github/workflows/golangci.yml
@@ -16,7 +16,8 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
       - name: Install Go
         uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
@@ -33,7 +34,8 @@ jobs:
     name: test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
       - name: Install Go
         uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
@@ -41,13 +43,23 @@ jobs:
           go-version-file: '.go-version'
 
       - name: run go test
-        run: go test -v ./...
+        run: go test -v -coverprofile=coverage.out ./...
+
+      - name: upload coverage report
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808
+        with:
+          path: coverage.out
+          name: coverage-report
+
+      - name: display coverage report
+        run: go tool cover -func=coverage.out
 
   go-mod-tidy:
     name: tidy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
       - name: Install Go
         uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
@@ -61,7 +73,8 @@ jobs:
     name: build executables
     runs-on: 'ubuntu-latest'
     steps:
-      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
+      - name: Checkout code
+        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
 
       - name: Install Go
         uses: actions/setup-go@4d34df0c2316fe8122ab82dc22947d607c0c91f9 # v4.0.0
diff --git a/.go-version b/.go-version
index d2ab029..a1b6e17 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21
+1.23
diff --git a/addlicense/main.go b/addlicense/main.go
index 0f67a53..6f311db 100644
--- a/addlicense/main.go
+++ b/addlicense/main.go
@@ -361,7 +361,7 @@ func licenseHeader(path string, tmpl *template.Template, data LicenseData) ([]by
 	switch fileExtension(base) {
 	case ".c", ".h", ".gv", ".java", ".scala", ".kt", ".kts":
 		lic, err = executeTemplate(tmpl, data, "/*", " * ", " */")
-	case ".js", ".mjs", ".cjs", ".jsx", ".tsx", ".css", ".scss", ".sass", ".ts":
+	case ".js", ".mjs", ".cjs", ".jsx", ".tsx", ".css", ".scss", ".sass", ".ts", ".gjs", ".gts":
 		lic, err = executeTemplate(tmpl, data, "/**", " * ", " */")
 	case ".cc", ".cpp", ".cs", ".go", ".hh", ".hpp", ".m", ".mm", ".proto", ".rs", ".swift", ".dart", ".groovy", ".v", ".sv", ".lr":
 		lic, err = executeTemplate(tmpl, data, "", "// ", "")
diff --git a/addlicense/main_test.go b/addlicense/main_test.go
index bc5f098..9c00803 100644
--- a/addlicense/main_test.go
+++ b/addlicense/main_test.go
@@ -308,7 +308,7 @@ func TestLicenseHeader(t *testing.T) {
 			"/*\n * HYS\n */\n\n",
 		},
 		{
-			[]string{"f.js", "f.mjs", "f.cjs", "f.jsx", "f.tsx", "f.css", "f.scss", "f.sass", "f.ts"},
+			[]string{"f.js", "f.mjs", "f.cjs", "f.jsx", "f.tsx", "f.css", "f.scss", "f.sass", "f.ts", "f.gjs", "f.gts"},
 			"/**\n * HYS\n */\n\n",
 		},
 		{
diff --git a/go.mod b/go.mod
index c102eab..2869b63 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/hashicorp/copywrite
 
-go 1.21
+go 1.23
 
 toolchain go1.23.1