diff --git a/script/match_xtck.py b/script/match_xtck.py
index 7688840..2718bd7 100755
--- a/script/match_xtck.py
+++ b/script/match_xtck.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 import argparse
-
+import Sfilter
 
 class PermEvent:
     def __init__(self, at_index: int, time, up=True):
@@ -227,4 +227,5 @@ def longest_common_subsequence(seq1: time_seq_list, seq2: time_seq_list, dp_dict
         else:
             print(
                 f"{xtck.at_index:9}, {xtck.time:10}, {direction_dict[xtck.up]:9}, {cyli.at_index:9}, {cyli.time - cyli.resident_time:10}, {cyli.time:10}, {direction_dict[cyli.up]}")
+    print(f"Version: {Sfilter.__version__}")