diff --git a/internal/ts_repositories.bzl b/internal/ts_repositories.bzl
index 90a1c1a..30cb405 100644
--- a/internal/ts_repositories.bzl
+++ b/internal/ts_repositories.bzl
@@ -47,6 +47,12 @@
     ts_setup_workspace()
 
     go_repository(
+        name = "com_github_google_go_cmp",
+        commit = "2d0692c2e9617365a95b295612ac0d4415ba4627",
+        importpath = "github.com/google/go-cmp",
+    )
+
+    go_repository(
         name = "com_github_kylelemons_godebug",
         commit = "d65d576e9348f5982d7f6d83682b694e731a45c6",
         importpath = "github.com/kylelemons/godebug",
diff --git a/ts_auto_deps/analyze/analyze_test.go b/ts_auto_deps/analyze/analyze_test.go
index ff529b8..7a7d90a 100644
--- a/ts_auto_deps/analyze/analyze_test.go
+++ b/ts_auto_deps/analyze/analyze_test.go
@@ -12,6 +12,8 @@
 
 	"github.com/bazelbuild/rules_typescript/ts_auto_deps/platform"
 	"github.com/golang/protobuf/proto"
+	"github.com/google/go-cmp/cmp"
+	"github.com/google/go-cmp/cmp/cmpopts"
 	"github.com/kylelemons/godebug/pretty"
 
 	appb "github.com/bazelbuild/buildtools/build_proto"
@@ -616,7 +618,7 @@
 				t.Errorf("got err %q, expected %q", err, test.err)
 			}
 
-			if diff := pretty.Compare(rt.sources, test.expected); err == nil && diff != "" {
+			if diff := cmp.Diff(rt.sources, test.expected, cmpopts.EquateEmpty(), cmp.Comparer(proto.Equal)); err == nil && diff != "" {
 				t.Errorf("failed to set correct sources: (-got, +want)\n%s", diff)
 			}
 		})