diff --git a/libraries/chain/hardfork.d/GPOS.hf b/libraries/chain/hardfork.d/GPOS.hf
new file mode 100644
index 00000000..c9855f5d
--- /dev/null
+++ b/libraries/chain/hardfork.d/GPOS.hf
@@ -0,0 +1,4 @@
+// GPOS HARDFORK Saturday, January 5, 2019 4:39:39 PM
+#ifndef HARDFORK_GPOS_TIME
+#define HARDFORK_GPOS_TIME (fc::time_point_sec( 1546706379 ))
+#endif
\ No newline at end of file