diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ea3d3e08..d9c10762 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,7 @@ jobs:
             { version: '2.12.18' },
             { version: '2.13.16' },
             { version: '2.13.17' },
+            { version: '2.13.18' },
           ]
     steps:
       - name: checkout the repo
diff --git a/build.sbt b/build.sbt
index 0455ee51..0b6b2a4a 100644
--- a/build.sbt
+++ b/build.sbt
@@ -15,6 +15,7 @@ lazy val bin212 =
   )
 lazy val bin213 =
   Seq(
+    "2.13.18",
     "2.13.17",
     defaultScala213
   )