diff --git a/checks/raw/dependency_update_tool_test.go b/checks/raw/dependency_update_tool_test.go
new file mode 100644
index 00000000000..b1cd50a6bc8
--- /dev/null
+++ b/checks/raw/dependency_update_tool_test.go
@@ -0,0 +1,124 @@
+// Copyright 2020 Security Scorecard Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package raw
+
+import (
+	"testing"
+
+	"github.com/ossf/scorecard/v4/checker"
+)
+
+func Test_checkDependencyFileExists(t *testing.T) {
+	t.Parallel()
+	//nolint
+	type args struct {
+		name string
+		data *[]checker.Tool
+	}
+	//nolint
+	tests := []struct {
+		name    string
+		args    args
+		want    bool
+		wantErr bool
+	}{
+		{
+			name: "check dependency file exists",
+			args: args{
+				name: ".github/dependabot.yml",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: ".other",
+			args: args{
+				name: ".other",
+				data: &[]checker.Tool{},
+			},
+			want:    true,
+			wantErr: false,
+		},
+		{
+			name: ".github/renovate.json",
+			args: args{
+				name: ".github/renovate.json",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: ".github/renovate.json5",
+			args: args{
+				name: ".github/renovate.json5",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: ".renovaterc.json",
+			args: args{
+				name: ".renovaterc.json",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: "renovate.json",
+			args: args{
+				name: "renovate.json",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: "renovate.json5",
+			args: args{
+				name: "renovate.json5",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+		{
+			name: ".renovaterc",
+			args: args{
+				name: ".renovaterc",
+				data: &[]checker.Tool{},
+			},
+			want:    false,
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		tt := tt
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			got, err := checkDependencyFileExists(tt.args.name, tt.args.data)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("checkDependencyFileExists() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != tt.want {
+				t.Errorf("checkDependencyFileExists() = %v, want %v for test %v", got, tt.want, tt.name)
+			}
+		})
+	}
+}