diff --git a/_modules/main_utils.py b/_modules/main_utils.py
index b4885dd5a2d956039422b5f744c68fdd61ac955e..04b1183c4e2f706a14d617668ea3346908978e00 100755
--- a/_modules/main_utils.py
+++ b/_modules/main_utils.py
@@ -21,7 +21,7 @@ usage = """\n\nUsage: %prog -f reads.fastq -r phage_sequence.fasta [--report_tit
 [--mm --DR_path path_to_results --dir_seq_mm path_to_sequence_results -p reads_paired -s seed_lenght -d surrounding -l limit_multi-fasta]
 
     Program: PhageTerm - Analyze phage termini and packaging mode using reads from high-throughput sequenced phage data
-    Version: 3.0.1
+    Version: 4.1 (also py3_release_1)
     Contact: Julian Garneau <julian.garneau@usherbrooke.ca>
     Contact: David Bikard <david.bikard@pasteur.fr>
     Contact: Marc Monot <marc.monot@pasteur.fr>