diff --git a/go.mod b/go.mod
index 73462e0..066f23a 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/luno/bchutil
 
 go 1.25
 
-toolchain go1.25.5
+toolchain go1.25.6
 
 require (
 	github.com/btcsuite/btcd v0.25.0