diff --git a/go.mod b/go.mod
index 01c6d8f..9445518 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/blinklabs-io/tx-submit-api
 
-go 1.21
+go 1.22
+
+toolchain go1.22.8
 
 require (
 	github.com/blinklabs-io/gouroboros v0.101.0