diff --git a/internal/ghinstance/host.go b/internal/ghinstance/host.go
index 30dafb79675..1fde25e23d0 100644
--- a/internal/ghinstance/host.go
+++ b/internal/ghinstance/host.go
@@ -22,6 +22,10 @@ func IsEnterprise(h string) bool {
 	return normalizedHostName != defaultHostname && normalizedHostName != localhost
 }
 
+func isGarage(h string) bool {
+	return strings.EqualFold(h, "garage.github.com")
+}
+
 // NormalizeHostname returns the canonical host name of a GitHub instance
 func NormalizeHostname(h string) string {
 	hostname := strings.ToLower(h)
@@ -47,6 +51,9 @@ func HostnameValidator(hostname string) error {
 }
 
 func GraphQLEndpoint(hostname string) string {
+	if isGarage(hostname) {
+		return fmt.Sprintf("https://%s/api/graphql", hostname)
+	}
 	if IsEnterprise(hostname) {
 		return fmt.Sprintf("https://%s/api/graphql", hostname)
 	}
@@ -57,6 +64,9 @@ func GraphQLEndpoint(hostname string) string {
 }
 
 func RESTPrefix(hostname string) string {
+	if isGarage(hostname) {
+		return fmt.Sprintf("https://%s/api/v3/", hostname)
+	}
 	if IsEnterprise(hostname) {
 		return fmt.Sprintf("https://%s/api/v3/", hostname)
 	}
@@ -77,6 +87,9 @@ func GistPrefix(hostname string) string {
 }
 
 func GistHost(hostname string) string {
+	if isGarage(hostname) {
+		return fmt.Sprintf("%s/gist/", hostname)
+	}
 	if IsEnterprise(hostname) {
 		return fmt.Sprintf("%s/gist/", hostname)
 	}
diff --git a/internal/ghinstance/host_test.go b/internal/ghinstance/host_test.go
index 5feecbe630f..5fa6eb4f321 100644
--- a/internal/ghinstance/host_test.go
+++ b/internal/ghinstance/host_test.go
@@ -27,6 +27,10 @@ func TestIsEnterprise(t *testing.T) {
 			host: "api.github.localhost",
 			want: false,
 		},
+		{
+			host: "garage.github.com",
+			want: false,
+		},
 		{
 			host: "ghe.io",
 			want: true,
@@ -74,6 +78,10 @@ func TestNormalizeHostname(t *testing.T) {
 			host: "api.github.localhost",
 			want: "github.localhost",
 		},
+		{
+			host: "garage.github.com",
+			want: "github.com",
+		},
 		{
 			host: "GHE.IO",
 			want: "ghe.io",
@@ -144,6 +152,10 @@ func TestGraphQLEndpoint(t *testing.T) {
 			host: "github.localhost",
 			want: "http://api.github.localhost/graphql",
 		},
+		{
+			host: "garage.github.com",
+			want: "https://garage.github.com/api/graphql",
+		},
 		{
 			host: "ghe.io",
 			want: "https://ghe.io/api/graphql",
@@ -171,6 +183,10 @@ func TestRESTPrefix(t *testing.T) {
 			host: "github.localhost",
 			want: "http://api.github.localhost/",
 		},
+		{
+			host: "garage.github.com",
+			want: "https://garage.github.com/api/v3/",
+		},
 		{
 			host: "ghe.io",
 			want: "https://ghe.io/api/v3/",