diff --git a/.github/workflows/test-and-build.yml b/.github/workflows/test-and-build.yml
index 5dc0d18..538f434 100644
--- a/.github/workflows/test-and-build.yml
+++ b/.github/workflows/test-and-build.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         go-version:
-          - '1.14' # oldest supported; named in go.mod
+          - '1.18' # oldest supported; named in go.mod
           - 'oldstable'
           - 'stable'
     env: