diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 5e64ff5..8f4def5 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -17,13 +17,13 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
 
       - name: "Prepare Java"
         uses: "actions/setup-java@v3"
         with:
           distribution: 'temurin'
-          java-version: '19'
+          java-version: '21'
 
       - name: "Prepare tools-deps"
         uses: "DeLaGuardo/setup-clojure@master"
diff --git a/deps.edn b/deps.edn
index 4de6cdb..2607f2b 100644
--- a/deps.edn
+++ b/deps.edn
@@ -4,7 +4,7 @@
 ; license that can be found in the LICENSE file or at
 ; https://opensource.org/licenses/MIT.
 
-{:deps    {io.swagger.parser.v3/swagger-parser {:mvn/version "2.1.13"}}
- :aliases {:test {:extra-deps {lambdaisland/kaocha    {:mvn/version "1.81.1290"}
+{:deps    {io.swagger.parser.v3/swagger-parser {:mvn/version "2.1.16"}}
+ :aliases {:test {:extra-deps {lambdaisland/kaocha    {:mvn/version "1.87.1366"}
                                org.clojure/test.check {:mvn/version "1.1.1"}}
                   :main-opts  ["-m" "kaocha.runner" "--reporter" "kaocha.report.progress/report"]}}}
diff --git a/project.clj b/project.clj
index 9daf340..b02869f 100644
--- a/project.clj
+++ b/project.clj
@@ -10,4 +10,4 @@
   :description  "A tiny library converting OpenAPI route definitions to Reitit routes."
   :license      {:name "MIT"
                  :url  "https://opensource.org/licenses/MIT"}
-  :dependencies [[io.swagger.parser.v3/swagger-parser "2.1.13"]])
+  :dependencies [[io.swagger.parser.v3/swagger-parser "2.1.16"]])
diff --git a/src/navi/core.clj b/src/navi/core.clj
index ecd48fd..6cccc04 100644
--- a/src/navi/core.clj
+++ b/src/navi/core.clj
@@ -7,20 +7,20 @@
 (ns navi.core
   (:import [java.util Map$Entry]
            [io.swagger.v3.oas.models.media StringSchema
-                                           IntegerSchema
-                                           ObjectSchema
-                                           ArraySchema
-                                           NumberSchema
-                                           BooleanSchema
-                                           UUIDSchema
-                                           MediaType]
+            IntegerSchema
+            ObjectSchema
+            ArraySchema
+            NumberSchema
+            BooleanSchema
+            UUIDSchema
+            MediaType]
            [io.swagger.v3.oas.models.parameters PathParameter
-                                                HeaderParameter
-                                                QueryParameter
-                                                RequestBody
-                                                Parameter]
+            HeaderParameter
+            QueryParameter
+            RequestBody
+            Parameter]
            [io.swagger.v3.oas.models Operation
-                                     PathItem]
+            PathItem]
            [io.swagger.v3.parser OpenAPIV3Parser]
            [io.swagger.v3.parser.core.models ParseOptions]))
 
@@ -30,11 +30,9 @@
 (defn wrap-map
   "Surrounds the key in a map for malli conformance"
   [k m]
-  (if (contains? m k)
-    (update-in m
-               [k]
-               #(into [:map] %))
-    m))
+  (cond-> m
+    (contains? m k)
+    (update-in [k] #(into [:map] %))))
 
 ;; TODO: Better
 (defn ->prop-schema
@@ -144,11 +142,10 @@
                                .get)
         body-spec          (-> content
                                .getSchema
-                               spec)
-        maybe-body         (if (.getRequired param)
-                             body-spec
-                             [:or nil? body-spec])]
-    {:body maybe-body}))
+                               spec)]
+    {:body (if (.getRequired param)
+             body-spec
+             [:or nil? body-spec])}))
 
 (defn operation->data
   "Converts an Operation to map of parameters, schemas and handler conforming to reitit"
@@ -163,11 +160,10 @@
                           (apply merge-with into)
                           (wrap-map :path)
                           (wrap-map :query)
-                          (wrap-map :header))
-        handler      {:handler (get handlers (.getOperationId op))}]
-    (if (seq schemas)
-      (assoc handler :parameters schemas)
-      handler)))
+                          (wrap-map :header))]
+    (cond-> {:handler (get handlers (.getOperationId op))}
+      (seq schemas)
+      (assoc :parameters schemas))))
 
 (defn path-item->data
   "Converts a path to its corresponding vector of method and the operation map"