diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1207d96..206c185 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ['1.11', '1.12', '1.13', '1.14', '1.15', '1.16', '1.17']
+        go: ['1.11', '1.12', '1.13', '1.14', '1.15', '1.16', '1.17', '1.18']
     env:
       GOFLAGS: -mod=readonly