diff --git a/cli/server.go b/cli/server.go
index 5ea0f4ebbd..39cfa52571 100644
--- a/cli/server.go
+++ b/cli/server.go
@@ -2160,6 +2160,8 @@ func startBuiltinPostgres(ctx context.Context, cfg config.Root, logger slog.Logg
 		embeddedpostgres.DefaultConfig().
 			Version(embeddedpostgres.V13).
 			BinariesPath(filepath.Join(cfg.PostgresPath(), "bin")).
+			// Default BinaryRepositoryURL repo1.maven.org is flaky.
+			BinaryRepositoryURL("https://repo.maven.apache.org/maven2").
 			DataPath(filepath.Join(cfg.PostgresPath(), "data")).
 			RuntimePath(filepath.Join(cfg.PostgresPath(), "runtime")).
 			CachePath(cachePath).
diff --git a/scripts/embedded-pg/main.go b/scripts/embedded-pg/main.go
index 018ec6e68b..aa6de1027f 100644
--- a/scripts/embedded-pg/main.go
+++ b/scripts/embedded-pg/main.go
@@ -24,6 +24,8 @@ func main() {
 		embeddedpostgres.DefaultConfig().
 			Version(embeddedpostgres.V16).
 			BinariesPath(filepath.Join(postgresPath, "bin")).
+			// Default BinaryRepositoryURL repo1.maven.org is flaky.
+			BinaryRepositoryURL("https://repo.maven.apache.org/maven2").
 			DataPath(filepath.Join(postgresPath, "data")).
 			RuntimePath(filepath.Join(postgresPath, "runtime")).
 			CachePath(filepath.Join(postgresPath, "cache")).