diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3edbdf0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.iml
+/.idea
diff --git a/project.clj b/project.clj
index e8f9ce5..97aa7ec 100644
--- a/project.clj
+++ b/project.clj
@@ -8,22 +8,23 @@
   :min-lein-version "2.0.0"
 
   :dependencies [[criterium "0.3.1"]
-                 [org.clojure/clojure "1.9.0"]
+                 [org.clojure/clojure "1.12.0"]
                  [org.clojure/tools.nrepl "0.2.3"]
                  [clojure-complete "0.2.3"]]
 
-
   ;; Describe a performance specific test profile
   :test-selectors {:default (complement :perf), :perf :perf}
 
-  :profiles {:1.8 {:dependencies [[org.clojure/clojure "1.8.0"]]}
-             :1.7 {:dependencies [[org.clojure/clojure "1.7.0"]]}
-             :1.6 {:dependencies [[org.clojure/clojure "1.6.0"]]}
-             :1.5 {:dependencies [[org.clojure/clojure "1.5.1"]]}}
-  :aliases {"1.8" ["with-profile" "1.8"]
-            "1.7" ["with-profile" "1.7"]
-            "1.6" ["with-profile" "1.6"]
-            "1.5" ["with-profile" "1.5"]}
+  :profiles {:1.12 {:dependencies [[org.clojure/clojure "1.12.0"]]}
+             :1.8  {:dependencies [[org.clojure/clojure "1.8.0"]]}
+             :1.7  {:dependencies [[org.clojure/clojure "1.7.0"]]}
+             :1.6  {:dependencies [[org.clojure/clojure "1.6.0"]]}
+             :1.5  {:dependencies [[org.clojure/clojure "1.5.1"]]}}
+  :aliases {"1.12" ["with-profile" "1.12"]
+            "1.8"  ["with-profile" "1.8"]
+            "1.7"  ["with-profile" "1.7"]
+            "1.6"  ["with-profile" "1.6"]
+            "1.5"  ["with-profile" "1.5"]}
   ;; Use this to allow YourKit to connect:
   ;; :jvm-opts ["-agentpath:yjp/libyjpagent.so"]
   )