diff --git a/bigm_op.c b/bigm_op.c
index fd88261..2a75fef 100644
--- a/bigm_op.c
+++ b/bigm_op.c
@@ -28,7 +28,7 @@
 PG_MODULE_MAGIC;
 
 /* Last update date of pg_bigm */
-#define BIGM_LAST_UPDATE	"2020.02.28"
+#define BIGM_LAST_UPDATE	"2024.06.06"
 
 /* GUC variable */
 bool		bigm_enable_recheck = false;
diff --git a/expected/pg_bigm.out b/expected/pg_bigm.out
index 1ef7915..02168fa 100644
--- a/expected/pg_bigm.out
+++ b/expected/pg_bigm.out
@@ -12,7 +12,7 @@ SET extra_float_digits TO 0;
 SHOW pg_bigm.last_update;
  pg_bigm.last_update 
 ---------------------
- 2020.02.28
+ 2024.06.06
 (1 row)
 
 SET pg_bigm.last_update = '2013.09.18';