diff --git a/src/antq/dep/clojure.clj b/src/antq/dep/clojure.clj
index 142bcb6a..245a17ba 100644
--- a/src/antq/dep/clojure.clj
+++ b/src/antq/dep/clojure.clj
@@ -11,14 +11,21 @@
 
 (defn- ignore?
   [opt]
-  (contains? opt :local/root))
+  (and (map? opt)
+       (contains? opt :local/root)))
 
 (defmulti extract-type-and-version
   (fn [opt]
-    (or (and (:mvn/version opt) :java)
-        (and (:git/url opt) :git-sha))))
+    (if (map? opt)
+      (or (and (:mvn/version opt) :java)
+          (and (:git/url opt) :git-sha))
+      ::unknown)))
 
 (defmethod extract-type-and-version :default
+  [_]
+  {})
+
+(defmethod extract-type-and-version :java
   [opt]
   {:type :java
    :version (:mvn/version opt)})
@@ -35,7 +42,8 @@
         edn (edn/read-string deps-edn-content-str)]
     (walk/postwalk (fn [form]
                      (when (and (sequential? form)
-                                (#{:deps :extra-deps :replace-deps :override-deps} (first form)))
+                                (#{:deps :extra-deps :replace-deps :override-deps} (first form))
+                                (map? (second form)))
                        (->> form
                             (second)
                             (seq)
diff --git a/test/antq/dep/clojure_test.clj b/test/antq/dep/clojure_test.clj
index a5a63f3c..75cc3fe2 100644
--- a/test/antq/dep/clojure_test.clj
+++ b/test/antq/dep/clojure_test.clj
@@ -39,6 +39,11 @@
                                 :extra {:url "https://github.com/example/hello.git"}})}
              (set deps)))))
 
+(t/deftest extract-deps-unexpected-test
+  (t/is (empty? (sut/extract-deps file-path "[:deps \"foo\"]")))
+  (t/is (empty? (sut/extract-deps file-path "{:deps \"foo\"}")))
+  (t/is (empty? (sut/extract-deps file-path "{:deps {foo/core \"bar\"}}"))))
+
 (t/deftest load-deps-test
   (let [deps (sut/load-deps "test/resources/dep")]
     (t/is (every? #(contains? #{:java :git-sha} (:type %)) deps))))