diff --git a/go.mod b/go.mod
index 3ca7245..46ac3b5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module github.com/positronick/cli
 
 go 1.26
 
+toolchain go1.26.5
+
 require (
 	github.com/google/jsonschema-go v0.4.3
 	github.com/modelcontextprotocol/go-sdk v1.6.1