diff --git a/pom.xml b/pom.xml
index b4d0895..ae34d9b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
   <parent>
     <groupId>org.clojure</groupId>
     <artifactId>pom.contrib</artifactId>
-    <version>0.2.2</version>
+    <version>1.2.0</version>
   </parent>
 
   <developers>
@@ -35,7 +35,7 @@
   </scm>
 
   <properties>
-    <clojure.version>1.5.1</clojure.version>
+    <clojure.version>1.9.0</clojure.version>
     <clojure.warnOnReflection>true</clojure.warnOnReflection>
   </properties>
 
diff --git a/project.clj b/project.clj
index be16f96..7f4fdcd 100644
--- a/project.clj
+++ b/project.clj
@@ -4,8 +4,8 @@
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
   :min-lein-version "2.6.1"
-  :parent [org.clojure/pom.contrib "0.1.2"]
-  :dependencies [[org.clojure/clojure "1.5.1"]]
+  :parent [org.clojure/pom.contrib "1.2.0"]
+  :dependencies [[org.clojure/clojure "1.9.0"]]
   :jvm-opts ^:replace ["-Dorg.clojure.data.avl.test.large-tree-size=100000"
                        "-Dorg.clojure.data.avl.test.medium-tree-size=100000"
                        "-Dorg.clojure.data.avl.test.small-tree-size=300"]
@@ -13,9 +13,9 @@
   :test-paths ["src/test/clojure"]
   :aliases {"all" ["with-profile" "dev:dev,1.6:dev,1.7:dev,1.8:dev,1.9"]}
   :profiles {:dbg  {:jvm-opts ["-XX:-OmitStackTraceInFastThrow"]}
-             :cljs {:dependencies [[org.clojure/clojure "1.10.0"]
+             :cljs {:dependencies [[org.clojure/clojure "1.10.3"]
                                    [org.clojure/clojurescript "1.10.520"]
-                                   [org.clojure/test.check "0.9.0"]
+                                   [org.clojure/test.check "1.1.1"]
                                    [collection-check "0.1.7"]]
                     :hooks [leiningen.cljsbuild]
                     :plugins [[lein-cljsbuild "1.1.4"]]
@@ -31,16 +31,7 @@
                                           :optimizations :advanced
                                           :pretty-print false
                                           :static-fns true}}}}}
-             :1.6  {:dependencies [[org.clojure/clojure "1.6.0"]]}
-             :1.7  {:dependencies [[org.clojure/clojure "1.7.0"]
-                                   [org.clojure/test.check "0.9.0"]
-                                   [collection-check "0.1.7"]]
-                    :test-paths ["src/test_local/cljc"]}
-             :1.8  {:dependencies [[org.clojure/clojure "1.8.0"]
-                                   [org.clojure/test.check "0.9.0"]
-                                   [collection-check "0.1.7"]]
-                    :test-paths ["src/test_local/cljc"]}
-             :1.9  {:dependencies [[org.clojure/clojure "1.9.0-beta2"]
-                                   [org.clojure/test.check "0.9.0"]
+             :1.9  {:dependencies [[org.clojure/clojure "1.9.0"]
+                                   [org.clojure/test.check "1.1.1"]
                                    [collection-check "0.1.7"]]
                     :test-paths ["src/test_local/cljc"]}})