diff --git a/.github/workflows/regression.yml b/.github/workflows/regression.yml
index 5fb6254..86f6c4d 100644
--- a/.github/workflows/regression.yml
+++ b/.github/workflows/regression.yml
@@ -7,6 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         pg:
+          - 17
           - 16
           - 15
           - 14
diff --git a/regress/expected/repack-check.out b/regress/expected/repack-check.out
index 5ab9eca..ae1fa33 100644
--- a/regress/expected/repack-check.out
+++ b/regress/expected/repack-check.out
@@ -127,7 +127,7 @@ SELECT oid, relname
 (0 rows)
 
 -- check columns options
-SELECT attname, attstattarget, attoptions
+SELECT attname, nullif(attstattarget, -1) as attstattarget, attoptions
 FROM pg_attribute
 WHERE attrelid = 'tbl_idxopts'::regclass
 AND attnum > 0
@@ -135,7 +135,7 @@ ORDER BY attnum;
  attname | attstattarget |    attoptions     
 ---------+---------------+-------------------
  i       |             1 | 
- t       |            -1 | {n_distinct=-0.5}
+ t       |               | {n_distinct=-0.5}
 (2 rows)
 
 --
diff --git a/regress/sql/repack-check.sql b/regress/sql/repack-check.sql
index 34018b0..7c133cf 100644
--- a/regress/sql/repack-check.sql
+++ b/regress/sql/repack-check.sql
@@ -44,7 +44,7 @@ SELECT oid, relname
    AND reltoastrelid NOT IN (SELECT oid FROM pg_class WHERE relkind = 't');
 
 -- check columns options
-SELECT attname, attstattarget, attoptions
+SELECT attname, nullif(attstattarget, -1) as attstattarget, attoptions
 FROM pg_attribute
 WHERE attrelid = 'tbl_idxopts'::regclass
 AND attnum > 0