diff --git a/go.mod b/go.mod
index 96af759e99194b9d30bbd555d2d9c4574ab1ed5a..27e086c9296ed39c92a316c3a7b2b2be8194be36 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module git.autistici.org/ai3/tools/replds2
 
-go 1.15
+go 1.20
 
 require (
 	github.com/DataDog/zstd v1.5.3-0.20220606203749-fd035e54e312