diff --git a/go.mod b/go.mod
index dacf9f69..95b4a63c 100644
--- a/go.mod
+++ b/go.mod
@@ -34,7 +34,7 @@ require (
 	github.com/googleapis/gax-go/v2 v2.12.4 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/go-getter v1.7.4 // indirect
+	github.com/hashicorp/go-getter v1.7.5 // indirect
 	github.com/hashicorp/go-hclog v1.6.3 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-plugin v1.6.1 // indirect
diff --git a/go.sum b/go.sum
index 2121208d..f559b9a0 100644
--- a/go.sum
+++ b/go.sum
@@ -406,8 +406,8 @@ github.com/hashicorp/go-cleanhttp v0.5.1/go.mod h1:JpRdi6/HCYpAwUzNwuwqhbovhLtng
 github.com/hashicorp/go-cleanhttp v0.5.2 h1:035FKYIWjmULyFRBKPs8TBQoi0x6d9G4xc9neXJWAZQ=
 github.com/hashicorp/go-cleanhttp v0.5.2/go.mod h1:kO/YDlP8L1346E6Sodw+PrpBSV4/SoxCXGY6BqNFT48=
 github.com/hashicorp/go-getter v1.5.3/go.mod h1:BrrV/1clo8cCYu6mxvboYg+KutTiFnXjMEgDD8+i7ZI=
-github.com/hashicorp/go-getter v1.7.4 h1:3yQjWuxICvSpYwqSayAdKRFcvBl1y/vogCxczWSmix0=
-github.com/hashicorp/go-getter v1.7.4/go.mod h1:W7TalhMmbPmsSMdNjD0ZskARur/9GJ17cfHTRtXV744=
+github.com/hashicorp/go-getter v1.7.5 h1:dT58k9hQ/vbxNMwoI5+xFYAJuv6152UNvdHokfI5wE4=
+github.com/hashicorp/go-getter v1.7.5/go.mod h1:W7TalhMmbPmsSMdNjD0ZskARur/9GJ17cfHTRtXV744=
 github.com/hashicorp/go-hclog v0.0.0-20180709165350-ff2cf002a8dd/go.mod h1:9bjs9uLqI8l75knNv3lV1kA55veR+WUPSiKIWcQHudI=
 github.com/hashicorp/go-hclog v0.9.2/go.mod h1:5CU+agLiy3J7N7QjHK5d05KxGsuXiQLrjA0H7acj2lQ=
 github.com/hashicorp/go-hclog v1.6.3 h1:Qr2kF+eVWjTiYmU7Y31tYlP1h0q/X3Nl3tPGdaB11/k=
diff --git a/vendor/github.com/hashicorp/go-getter/get_git.go b/vendor/github.com/hashicorp/go-getter/get_git.go
index 28931753..f38e0d29 100644
--- a/vendor/github.com/hashicorp/go-getter/get_git.go
+++ b/vendor/github.com/hashicorp/go-getter/get_git.go
@@ -125,7 +125,7 @@ func (g *GitGetter) Get(dst string, u *url.URL) error {
 		return err
 	}
 	if err == nil {
-		err = g.update(ctx, dst, sshKeyFile, ref, depth)
+		err = g.update(ctx, dst, sshKeyFile, u, ref, depth)
 	} else {
 		err = g.clone(ctx, dst, sshKeyFile, u, ref, depth)
 	}
@@ -228,28 +228,64 @@ func (g *GitGetter) clone(ctx context.Context, dst, sshKeyFile string, u *url.UR
 	return nil
 }
 
-func (g *GitGetter) update(ctx context.Context, dst, sshKeyFile, ref string, depth int) error {
-	// Determine if we're a branch. If we're NOT a branch, then we just
-	// switch to master prior to checking out
-	cmd := exec.CommandContext(ctx, "git", "show-ref", "-q", "--verify", "refs/heads/"+ref)
+func (g *GitGetter) update(ctx context.Context, dst, sshKeyFile string, u *url.URL, ref string, depth int) error {
+	// Remove all variations of .git directories
+	err := removeCaseInsensitiveGitDirectory(dst)
+	if err != nil {
+		return err
+	}
+
+	// Initialize the git repository
+	cmd := exec.CommandContext(ctx, "git", "init")
+	cmd.Dir = dst
+	err = getRunCommand(cmd)
+	if err != nil {
+		return err
+	}
+
+	// Add the git remote
+	cmd = exec.CommandContext(ctx, "git", "remote", "add", "origin", "--", u.String())
+	cmd.Dir = dst
+	err = getRunCommand(cmd)
+	if err != nil {
+		return err
+	}
+
+	// Fetch the remote ref
+	cmd = exec.CommandContext(ctx, "git", "fetch", "--tags")
+	cmd.Dir = dst
+	err = getRunCommand(cmd)
+	if err != nil {
+		return err
+	}
+
+	// Fetch the remote ref
+	cmd = exec.CommandContext(ctx, "git", "fetch", "origin", "--", ref)
 	cmd.Dir = dst
+	err = getRunCommand(cmd)
+	if err != nil {
+		return err
+	}
 
-	if getRunCommand(cmd) != nil {
-		// Not a branch, switch to default branch. This will also catch
-		// non-existent branches, in which case we want to switch to default
-		// and then checkout the proper branch later.
-		ref = findDefaultBranch(ctx, dst)
+	// Reset the branch to the fetched ref
+	cmd = exec.CommandContext(ctx, "git", "reset", "--hard", "FETCH_HEAD")
+	cmd.Dir = dst
+	err = getRunCommand(cmd)
+	if err != nil {
+		return err
 	}
 
-	// We have to be on a branch to pull
-	if err := g.checkout(ctx, dst, ref); err != nil {
+	// Checkout ref branch
+	err = g.checkout(ctx, dst, ref)
+	if err != nil {
 		return err
 	}
 
+	// Pull the latest changes from the ref branch
 	if depth > 0 {
-		cmd = exec.CommandContext(ctx, "git", "pull", "--depth", strconv.Itoa(depth), "--ff-only")
+		cmd = exec.CommandContext(ctx, "git", "pull", "origin", "--depth", strconv.Itoa(depth), "--ff-only", "--", ref)
 	} else {
-		cmd = exec.CommandContext(ctx, "git", "pull", "--ff-only")
+		cmd = exec.CommandContext(ctx, "git", "pull", "origin", "--ff-only", "--", ref)
 	}
 
 	cmd.Dir = dst
@@ -377,3 +413,20 @@ func checkGitVersion(ctx context.Context, min string) error {
 
 	return nil
 }
+
+// removeCaseInsensitiveGitDirectory removes all .git directory variations
+func removeCaseInsensitiveGitDirectory(dst string) error {
+	files, err := os.ReadDir(dst)
+	if err != nil {
+		return fmt.Errorf("Failed to read the destination directory %s during git update", dst)
+	}
+	for _, f := range files {
+		if strings.EqualFold(f.Name(), ".git") && f.IsDir() {
+			err := os.RemoveAll(filepath.Join(dst, f.Name()))
+			if err != nil {
+				return fmt.Errorf("Failed to remove the .git directory in the destination directory %s during git update", dst)
+			}
+		}
+	}
+	return nil
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index d4a7e06b..936cbc01 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -186,7 +186,7 @@ github.com/hashicorp/errwrap
 # github.com/hashicorp/go-cleanhttp v0.5.2
 ## explicit; go 1.13
 github.com/hashicorp/go-cleanhttp
-# github.com/hashicorp/go-getter v1.7.4
+# github.com/hashicorp/go-getter v1.7.5
 ## explicit; go 1.13
 github.com/hashicorp/go-getter
 github.com/hashicorp/go-getter/helper/url