diff --git a/man/swarm.1 b/man/swarm.1
index 09791452..1d6974fa 100644
--- a/man/swarm.1
+++ b/man/swarm.1
@@ -1,5 +1,5 @@
 .\" ============================================================================
-.TH swarm 1 "March 21, 2024" "version 3.1.5" "USER COMMANDS"
+.TH swarm 1 "March 29, 2024" "version 3.1.5" "USER COMMANDS"
 .\" ============================================================================
 .SH NAME
 swarm \(em find clusters of nearly-identical nucleotide amplicons