diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a9b8908..a1b3c2f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,7 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         cache_nonce: [ 1 ]
-        nim_version: [ 1.2.18, 1.6.6 ]
+        nim_version: [ 1.6.6 ]
         platform:
           - {
             icon: 🐧,