diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b9f78d3..27477a2 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -124,6 +124,8 @@ jobs:
       uses: codecov/codecov-action@v4.5.0
       with:
         files: ./target/coverage/codecov.json
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   codespell:
     runs-on: ubuntu-20.04
diff --git a/deps.edn b/deps.edn
index 24bd3de..dbd2be7 100644
--- a/deps.edn
+++ b/deps.edn
@@ -67,7 +67,7 @@
   ;;
   ;;    clojure -M:kondo --copy-configs --dependencies --lint "$(clojure -A:dev -Spath)" --skip-lint --parallel
   :kondo
-  {:replace-deps {clj-kondo/clj-kondo {:mvn/version "2023.09.07" #_"2024.08.01"}}
+  {:replace-deps {clj-kondo/clj-kondo {:mvn/version "2024.08.29"}}
    :main-opts    ["-m" "clj-kondo.main"]}
 
   ;; lint everything with Kondo
diff --git a/src/toucan2/util.clj b/src/toucan2/util.clj
index a3be9af..1f6a0b1 100644
--- a/src/toucan2/util.clj
+++ b/src/toucan2/util.clj
@@ -32,7 +32,7 @@
   "Locale-agnostic version of [[clojure.string/lower-case]]. `clojure.string/lower-case` uses the default locale in
   conversions, turning `ID` into `ıd`, in the Turkish locale. This function always uses the `Locale/US` locale."
   [^CharSequence s]
-  (.. s toString (toLowerCase (java.util.Locale/US))))
+  (.. s toString (toLowerCase java.util.Locale/US)))
 
 (defn maybe-derive
   "Derive `child` from `parent` only if `child` is not already a descendant of `parent`."
diff --git a/toucan1/test/toucan/models_test.clj b/toucan1/test/toucan/models_test.clj
index 68345ae..e8e443e 100644
--- a/toucan1/test/toucan/models_test.clj
+++ b/toucan1/test/toucan/models_test.clj
@@ -350,7 +350,7 @@
 ;; queue
 (deftest ^:synchronized post-insert-test
   (test/with-discarded-table-changes Category
-    (binding [category/*categories-awaiting-moderation* (atom (clojure.lang.PersistentQueue/EMPTY))]
+    (binding [category/*categories-awaiting-moderation* (atom clojure.lang.PersistentQueue/EMPTY)]
       (is (= (instance/instance Category {:id 5, :name "toucannery", :parent-category-id nil})
              (t1.db/insert! Category :name "toucannery")))
       (testing `category/*categories-awaiting-moderation*
@@ -385,13 +385,13 @@
 ;; queue
 (deftest ^:synchronized post-update-test
   (test/with-discarded-table-changes Category
-    (binding [category/*categories-recently-updated* (atom (clojure.lang.PersistentQueue/EMPTY))]
+    (binding [category/*categories-recently-updated* (atom clojure.lang.PersistentQueue/EMPTY)]
       (is (= true
              (t1.db/update! Category 2 :name "lobster")))
       (is (= 2
              (peek @category/*categories-recently-updated*)))))
   (test/with-discarded-table-changes Category
-    (binding [category/*categories-recently-updated* (atom (clojure.lang.PersistentQueue/EMPTY))]
+    (binding [category/*categories-recently-updated* (atom clojure.lang.PersistentQueue/EMPTY)]
       (is (= true
              (t1.db/update! Category 1 :name "fine-dining")))
       (is (= true
diff --git a/toucan1/test/toucan/test_models/category.clj b/toucan1/test/toucan/test_models/category.clj
index a26039a..63c5a87 100644
--- a/toucan1/test/toucan/test_models/category.clj
+++ b/toucan1/test/toucan/test_models/category.clj
@@ -38,7 +38,7 @@
 
 (def ^:dynamic *categories-awaiting-moderation*
   "A poor man's message queue of newly added Category IDs that are \"awating moderation\"."
-  (atom (clojure.lang.PersistentQueue/EMPTY)))
+  (atom clojure.lang.PersistentQueue/EMPTY))
 
 (defn add-category-to-moderation-queue! [{:keys [id], :as new-category}]
   (swap! *categories-awaiting-moderation* conj id)
@@ -46,7 +46,7 @@
 
 (def ^:dynamic *categories-recently-updated*
   "A simple queue of recently updated Category IDs."
-  (atom (clojure.lang.PersistentQueue/EMPTY)))
+  (atom clojure.lang.PersistentQueue/EMPTY))
 
 (defn add-category-to-updated-queue! [{:keys [id]}]
   (swap! *categories-recently-updated* conj id))