diff --git a/.go-version b/.go-version
index 8819d012..26d7b6e7 100644
--- a/.go-version
+++ b/.go-version
@@ -1 +1 @@
-1.21.7
+1.21.12
diff --git a/go.mod b/go.mod
index 4a8639b9..908ed0de 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module github.com/honeycombio/terraform-provider-honeycombio
 
 go 1.21
 
+toolchain go1.21.7
+
 require (
 	github.com/google/go-querystring v1.1.0
 	github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320