diff --git a/go.mod b/go.mod
index 41c50308333a4fd00a16355ce35cf0d2f84b74ee..b2bee43810e965efb742bd6a4bd8c58d3da379a9 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module git.autistici.org/ai3/tools/reports-collector
 
 go 1.21
 
-toolchain go1.23.1
+toolchain go1.23.4
 
 require (
 	github.com/chrj/smtpd v0.3.1