diff --git a/go.mod b/go.mod
index ba5e1a8..64f601b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/blinklabs-io/tx-submit-api-mirror
 
-go 1.21
+go 1.22
+
+toolchain go1.22.8
 
 require (
 	github.com/blinklabs-io/cardano-models v0.3.7