diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index aa18db1..4dcfe51 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x]
+        node-version: [12.18.0]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps: