diff --git a/tuple/resolver.go b/tuple/resolver.go
index 3329231..224e472 100644
--- a/tuple/resolver.go
+++ b/tuple/resolver.go
@@ -108,7 +108,7 @@ var resolvers = map[string]resolver{
 	"google.golang.org/genproto":  &mirror{GH, "google", "go-genproto", ""},
 	"google.golang.org/grpc":      &mirror{GH, "grpc", "grpc-go", ""},
 	"gopkg.in":                    mirrorFn(gopkgInResolver),
-	"gotest.tools":                &mirror{GH, "gotestyourself", "gotest.tools", ""},
+	"gotest.tools":                mirrorFn(gotestToolsResolver),
 	"honnef.co/go/tools":          &mirror{GH, "dominikh", "go-tools", ""},
 	"howett.net/plist":            &mirror{GitlabSource("https://gitlab.howett.net"), "go", "plist", ""},
 	"k8s.io":                      mirrorFn(k8sIoResolver),
@@ -333,3 +333,16 @@ func rscIoResolver(pkg string) (*mirror, error) {
 	}
 	return &mirror{GH, "rsc", sm[0][1], ""}, nil
 }
+
+func gotestToolsResolver(pkg string) (*mirror, error) {
+	if !strings.HasPrefix(pkg, "gotest.tools") {
+		return nil, nil
+	}
+	switch pkg {
+	case "gotest.tools":
+		return &mirror{GH, "gotestyourself", "gotest.tools", ""}, nil
+	case "gotest.tools/gotestsum":
+		return &mirror{GH, "gotestyourself", "gotestsum", ""}, nil
+	}
+	return nil, nil
+}
diff --git a/tuple/resolver_test.go b/tuple/resolver_test.go
index 33d0d7d..66cd539 100644
--- a/tuple/resolver_test.go
+++ b/tuple/resolver_test.go
@@ -221,10 +221,19 @@ func TestMvdanCcResolver(t *testing.T) {
 	testResolverFnExamples(t, "mvdanCcResolver", mvdanCcResolver, examples)
 }
 
-func TesteRscIoResolver(t *testing.T) {
+func TestRscIoResolver(t *testing.T) {
 	examples := []resolverExample{
 		// name, expected account, expected project
 		{"rsc.io/pdf", GH, "rsc", "pdf", ""},
 	}
 	testResolverFnExamples(t, "rscIoResolver", rscIoResolver, examples)
 }
+
+func TestGotestToolsResolver(t *testing.T) {
+	examples := []resolverExample{
+		// name, expected account, expected project
+		{"gotest.tools", GH, "gotestyourself", "gotest.tools", ""},
+		{"gotest.tools/gotestsum", GH, "gotestyourself", "gotestsum", ""},
+	}
+	testResolverFnExamples(t, "gotestToolsResolver", gotestToolsResolver, examples)
+}