diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 655f04c34..6fbd6fee8 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -111,7 +111,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        libtiledb_version: [release-2.17, dev]
+        libtiledb_version: [release-2.18, dev]
     defaults:
       run:
         shell: cmd