bump version to v1.4.0

Change-Id: I8af6c4701d3f3f7cb0d360742cb8b0f3d6bbcd19
diff --git a/tests/basic_test.c b/tests/basic_test.c
index c4491e3..303f897 100644
--- a/tests/basic_test.c
+++ b/tests/basic_test.c
@@ -115,7 +115,7 @@
 
 void test_version_function() {
   char *version = get_version();
-  TEST_CHECK(strcmp(version, "1.3.2") == 0);
+  TEST_CHECK(strcmp(version, "1.4.0") == 0);
   TEST_MSG("Unexpected version: %s", version);
 }