diff --git a/project.clj b/project.clj
index 7d9ac53..c9ba12f 100644
--- a/project.clj
+++ b/project.clj
@@ -5,6 +5,6 @@
             :url "https://opensource.org/licenses/MIT"
             :year 2016
             :key "mit"}
-  :dependencies [[org.clojure/clojure "1.9.0-alpha14" :scope "provided"]]
+  :dependencies [[org.clojure/clojure "1.9.0-alpha16" :scope "provided"]]
   :profiles {:dev {:dependencies [[org.clojure/test.check "0.9.0"]]}}
   :pedantic? :abort)
diff --git a/src/alumbra/spec.clj b/src/alumbra/spec.clj
index 56677e3..6d40205 100644
--- a/src/alumbra/spec.clj
+++ b/src/alumbra/spec.clj
@@ -6,7 +6,7 @@
              parser-errors
              schema
              validation-errors]
-            [clojure.spec :as s]))
+            [clojure.spec.alpha :as s]))
 
 ;; ## Values
 
diff --git a/src/alumbra/spec/analyzed_schema.clj b/src/alumbra/spec/analyzed_schema.clj
index 3958e9e..e60187e 100644
--- a/src/alumbra/spec/analyzed_schema.clj
+++ b/src/alumbra/spec/analyzed_schema.clj
@@ -1,6 +1,6 @@
 (ns alumbra.spec.analyzed-schema
-  (:require [clojure.spec :as s]
-            [clojure.spec.gen :as gen]
+  (:require [clojure.spec.alpha :as s]
+            [clojure.spec.gen.alpha :as gen]
             [alumbra.spec type-description common]))
 
 ;; ## Names
diff --git a/src/alumbra/spec/canonical_operation.clj b/src/alumbra/spec/canonical_operation.clj
index c4f6383..e849178 100644
--- a/src/alumbra/spec/canonical_operation.clj
+++ b/src/alumbra/spec/canonical_operation.clj
@@ -1,6 +1,6 @@
 (ns alumbra.spec.canonical-operation
-  (:require [clojure.spec :as s]
-            [clojure.spec.gen :as gen]
+  (:require [clojure.spec.alpha :as s]
+            [clojure.spec.gen.alpha :as gen]
             [alumbra.spec common]))
 
 ;; ## Canonical Operation
diff --git a/src/alumbra/spec/common.clj b/src/alumbra/spec/common.clj
index 5e5b351..bf554bf 100644
--- a/src/alumbra/spec/common.clj
+++ b/src/alumbra/spec/common.clj
@@ -1,5 +1,5 @@
 (ns alumbra.spec.common
-  (:require [clojure.spec :as s]))
+  (:require [clojure.spec.alpha :as s]))
 
 ;; ## Name
 
diff --git a/src/alumbra/spec/document.clj b/src/alumbra/spec/document.clj
index 0d6bc65..677eab7 100644
--- a/src/alumbra/spec/document.clj
+++ b/src/alumbra/spec/document.clj
@@ -1,5 +1,5 @@
 (ns alumbra.spec.document
-  (:require [clojure.spec :as s]
+  (:require [clojure.spec.alpha :as s]
             [alumbra.spec common]))
 
 ;; ## Document
diff --git a/src/alumbra/spec/parser_errors.clj b/src/alumbra/spec/parser_errors.clj
index b95bc77..106412f 100644
--- a/src/alumbra/spec/parser_errors.clj
+++ b/src/alumbra/spec/parser_errors.clj
@@ -1,5 +1,5 @@
 (ns alumbra.spec.parser-errors
-  (:require [clojure.spec :as s]
+  (:require [clojure.spec.alpha :as s]
             [alumbra.spec common]))
 
 (s/def :alumbra/parser-errors
diff --git a/src/alumbra/spec/schema.clj b/src/alumbra/spec/schema.clj
index 8c5d8fe..b5558e1 100644
--- a/src/alumbra/spec/schema.clj
+++ b/src/alumbra/spec/schema.clj
@@ -1,5 +1,5 @@
 (ns alumbra.spec.schema
-  (:require [clojure.spec :as s]
+  (:require [clojure.spec.alpha :as s]
             [alumbra.spec common]))
 
 ;; ## Schema
diff --git a/src/alumbra/spec/type_description.clj b/src/alumbra/spec/type_description.clj
index e4d0438..af81442 100644
--- a/src/alumbra/spec/type_description.clj
+++ b/src/alumbra/spec/type_description.clj
@@ -1,6 +1,6 @@
 (ns alumbra.spec.type-description
-  (:require [clojure.spec :as s]
-            [clojure.spec.gen :as gen]
+  (:require [clojure.spec.alpha :as s]
+            [clojure.spec.gen.alpha :as gen]
             [alumbra.spec common]))
 
 (s/def :alumbra/type-description
diff --git a/src/alumbra/spec/validation_errors.clj b/src/alumbra/spec/validation_errors.clj
index 7ebbe41..f948094 100644
--- a/src/alumbra/spec/validation_errors.clj
+++ b/src/alumbra/spec/validation_errors.clj
@@ -1,5 +1,5 @@
 (ns alumbra.spec.validation-errors
-  (:require [clojure.spec :as s]
+  (:require [clojure.spec.alpha :as s]
             [alumbra.spec common type-description]))
 
 ;; ## Error Container
diff --git a/test/alumbra/spec_test.clj b/test/alumbra/spec_test.clj
index 49f67fc..639c713 100644
--- a/test/alumbra/spec_test.clj
+++ b/test/alumbra/spec_test.clj
@@ -1,6 +1,6 @@
 (ns alumbra.spec-test
   (:require [clojure.test :refer :all]
-            [clojure.spec :as s]
+            [clojure.spec.alpha :as s]
             alumbra.spec))
 
 (deftest t-analyzer-spec