diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4e66c72..06e4257 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,9 +21,15 @@ jobs:
         go-version: ${{ matrix.go-version }}
 
     - name: Test and calculate coverage
-      run: go test -v ./... --coverprofile coverage.out
+      run: go test -v ./lib --coverprofile coverage.out
     - name: Read the coverage
       run: go tool cover --func coverage.out
+    - name: Install goveralls
+      run: go install github.com/mattn/goveralls@latest
+    - name: Send coverage
+      env:
+        COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: goveralls -coverprofile=coverage.out -service=github
 
   goreleaser:
     needs: [test]
diff --git a/README.md b/README.md
index cab170d..86fe6ba 100644
--- a/README.md
+++ b/README.md
@@ -7,10 +7,27 @@
   An independent package manager for compiled binaries.
 </p>
 <p align="center">
-  <img src="https://github.com/marwanhawari/stew/actions/workflows/test.yml/badge.svg" alt="build status"/>
-  <img src="https://goreportcard.com/badge/github.com/marwanhawari/stew" alt="go report card"/>
-  <img src="https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg" alt="code of conduct"/>
-  <img src="https://img.shields.io/github/license/marwanhawari/stew?color=blue" alt="license"/>
+
+  <a href="https://github.com/marwanhawari/stew/actions/">
+    <img src="https://github.com/marwanhawari/stew/actions/workflows/test.yml/badge.svg" alt="build status"/>
+  </a>
+  
+  <a href="https://goreportcard.com/report/github.com/marwanhawari/stew">
+    <img src="https://goreportcard.com/badge/github.com/marwanhawari/stew" alt="go report card"/>
+  </a>
+
+  <a href='https://coveralls.io/github/marwanhawari/stew?branch=main'>
+    <img src='https://coveralls.io/repos/github/marwanhawari/stew/badge.svg?branch=main' alt='Coverage Status'/>
+  </a>
+
+  <a href="https://pkg.go.dev/github.com/marwanhawari/stew">
+    <img src="https://pkg.go.dev/badge/github.com/marwanhawari/stew.svg" alt="pkg.go.dev reference"/>
+  </a>
+    
+  <a href="https://github.com/marwanhawari/stew/blob/main/LICENSE">
+    <img src="https://img.shields.io/github/license/marwanhawari/stew?color=blue" alt="license"/>
+  </a>
+  
 </p>
 
 
diff --git a/lib/github_test.go b/lib/github_test.go
index fe9514d..d85fa6e 100644
--- a/lib/github_test.go
+++ b/lib/github_test.go
@@ -479,6 +479,26 @@ func TestDetectAsset(t *testing.T) {
 			want:    "",
 			wantErr: true,
 		},
+		{
+			name: "test6",
+			args: args{
+				userOS:        "windows",
+				userArch:      "386",
+				releaseAssets: append(testReleaseAssets, "ppath-v0.0.1-windows-386.tar.gz"),
+			},
+			want:    "ppath-v0.0.1-windows-386.tar.gz",
+			wantErr: false,
+		},
+		{
+			name: "test7",
+			args: args{
+				userOS:        "windows",
+				userArch:      "unexpectedArch",
+				releaseAssets: append(testReleaseAssets, "ppath-v0.0.1-windows-unexpectedArch.tar.gz"),
+			},
+			want:    "ppath-v0.0.1-windows-unexpectedArch.tar.gz",
+			wantErr: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
diff --git a/lib/stewfile_test.go b/lib/stewfile_test.go
index e62c92b..3d1c19a 100644
--- a/lib/stewfile_test.go
+++ b/lib/stewfile_test.go
@@ -155,11 +155,23 @@ func TestRemovePackage(t *testing.T) {
 			want:    []PackageData{},
 			wantErr: true,
 		},
+		{
+			name: "test5",
+			args: args{
+				index: 0,
+			},
+			want:    []PackageData{},
+			wantErr: true,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			testLockfilePackages := make([]PackageData, len(testLockfile.Packages))
-			copy(testLockfilePackages, testLockfile.Packages)
+			var testLockfilePackages []PackageData
+
+			if tt.name != "test5" {
+				testLockfilePackages = make([]PackageData, len(testLockfile.Packages))
+				copy(testLockfilePackages, testLockfile.Packages)
+			}
 
 			got, err := RemovePackage(testLockfilePackages, tt.args.index)
 			if (err != nil) != tt.wantErr {
@@ -244,6 +256,44 @@ func TestNewLockFile(t *testing.T) {
 	}
 }
 
+func TestNewLockFileDoesntExist(t *testing.T) {
+	type args struct {
+		userOS   string
+		userArch string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "test1",
+			args: args{
+				userOS:   testLockfile.Os,
+				userArch: testLockfile.Arch,
+			},
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			tempDir := t.TempDir()
+			lockFilePath := path.Join(tempDir, "Stewfile.lock.json")
+
+			got, err := NewLockFile(lockFilePath, tt.args.userOS, tt.args.userArch)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NewLockFile() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			want := LockFile{Os: tt.args.userOS, Arch: tt.args.userArch, Packages: []PackageData{}}
+			if !reflect.DeepEqual(got, want) {
+				t.Errorf("NewLockFile() = %v, want %v", got, want)
+			}
+		})
+	}
+}
+
 func TestNewSystemInfo(t *testing.T) {
 	tests := []struct {
 		name string
diff --git a/lib/util_test.go b/lib/util_test.go
index 04a1b9c..ab2ccc5 100644
--- a/lib/util_test.go
+++ b/lib/util_test.go
@@ -340,7 +340,7 @@ func Test_getBinary(t *testing.T) {
 			testBinaryFilePath := path.Join(tempDir, tt.binaryName)
 			ioutil.WriteFile(testBinaryFilePath, []byte("An executable file"), 0755)
 			testNonBinaryFilePath := path.Join(tempDir, "testNonBinary")
-			ioutil.WriteFile(testNonBinaryFilePath, []byte("An executable file"), 0644)
+			ioutil.WriteFile(testNonBinaryFilePath, []byte("Not an executable file"), 0644)
 
 			testFilePaths := []string{testBinaryFilePath, testNonBinaryFilePath}
 
@@ -362,6 +362,52 @@ func Test_getBinary(t *testing.T) {
 	}
 }
 
+func Test_getBinaryError(t *testing.T) {
+	type args struct {
+		repo string
+	}
+	tests := []struct {
+		name       string
+		args       args
+		binaryName string
+		wantErr    bool
+	}{
+		{
+			name: "test1",
+			args: args{
+				repo: "testBinary",
+			},
+			binaryName: "testBinary",
+			wantErr:    true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			tempDir := t.TempDir()
+
+			testNonBinaryFilePath := path.Join(tempDir, "testNonBinary")
+			ioutil.WriteFile(testNonBinaryFilePath, []byte("Not an executable file"), 0644)
+
+			testFilePaths := []string{testNonBinaryFilePath}
+
+			wantBinaryFile := ""
+			wantBinaryName := ""
+
+			got, got1, err := getBinary(testFilePaths, tt.args.repo)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("getBinary() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if got != wantBinaryFile {
+				t.Errorf("getBinary() got = %v, want %v", got, wantBinaryFile)
+			}
+			if got1 != wantBinaryName {
+				t.Errorf("getBinary() got1 = %v, want %v", got1, wantBinaryName)
+			}
+		})
+	}
+}
+
 func TestValidateCLIInput(t *testing.T) {
 	type args struct {
 		cliInput string