diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5912ec85..efca9454 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,7 +31,7 @@ jobs:
         run: |
           # fixes "write /run/user/1001/355792648: no space left on device" error
           sudo mount -o remount,size=3G /run/user/1001 || true
-          nix-shell --run 'go get -t ./... && go mod tidy'
+          nix-shell --run 'go get -t ./... && go mod tidy' shell.nix
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/go.mod b/go.mod
index 95842036..03e434b9 100644
--- a/go.mod
+++ b/go.mod
@@ -2,8 +2,6 @@ module github.com/tinkerbell/smee
 
 go 1.21
 
-toolchain go1.21.2
-
 require (
 	github.com/fsnotify/fsnotify v1.7.0
 	github.com/ghodss/yaml v1.0.0