diff --git a/private/buf/buftesting/buftesting.go b/private/buf/buftesting/buftesting.go
index 1b5557d..cec5736 100644
--- a/private/buf/buftesting/buftesting.go
+++ b/private/buf/buftesting/buftesting.go
@@ -100,6 +100,10 @@ func RunActualProtoc(
 
 // GetGoogleapisDirPath gets the path to a clone of googleapis.
 func GetGoogleapisDirPath(tb testing.TB, buftestingDirPath string) string {
+	// Requires network access, which is not available during
+	// the nixpkgs sandboxed build
+	tb.Skip()
+
 	googleapisDirPath := filepath.Join(buftestingDirPath, testGoogleapisDirPath)
 	require.NoError(
 		tb,