diff --git a/solver/registryauth.go b/solver/registryauth.go
index 04607758..e3337254 100644
--- a/solver/registryauth.go
+++ b/solver/registryauth.go
@@ -51,7 +51,7 @@ func (a *RegistryAuthProvider) Credentials(ctx context.Context, req *bkauth.Cred
 	defer a.m.RUnlock()
 
 	for authHost, auth := range a.credentials {
-		u, err := parseAuthHost(authHost)
+		u, err := ParseAuthHost(authHost)
 		if err != nil {
 			return nil, err
 		}
@@ -65,7 +65,7 @@ func (a *RegistryAuthProvider) Credentials(ctx context.Context, req *bkauth.Cred
 
 // Parsing function based on splitReposSearchTerm
 // "github.com/docker/docker/registry"
-func parseAuthHost(host string) (string, error) {
+func ParseAuthHost(host string) (string, error) {
 	host = strings.TrimPrefix(host, "http://")
 	host = strings.TrimPrefix(host, "https://")
 	host = strings.TrimSuffix(host, "/")
diff --git a/solver/registryauth_test.go b/solver/registryauth_test.go
index 33e30a37..f2071372 100644
--- a/solver/registryauth_test.go
+++ b/solver/registryauth_test.go
@@ -257,7 +257,7 @@ func TestParseAuthHost(t *testing.T) {
 
 	successRefs := []output{}
 	for _, scase := range scases {
-		named, err := parseAuthHost(scase.Host)
+		named, err := ParseAuthHost(scase.Host)
 		if err != nil {
 			t.Fatalf("Invalid normalized reference for [%q]. Got %q", scase, err)
 		}
@@ -273,7 +273,7 @@ func TestParseAuthHost(t *testing.T) {
 	}
 
 	for _, fcase := range fcases {
-		named, err := parseAuthHost(fcase.Host)
+		named, err := ParseAuthHost(fcase.Host)
 		if err == nil {
 			t.Fatalf("Invalid normalized reference for [%q]. Expected failure for %q", fcase, named)
 		}