diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4b7ff2ac..1e4cb308 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - lts
+          - 1.6 # LTS
           - 1
           - 'pre'
           - 'nightly'