diff --git a/project.clj b/project.clj
index d2d2e99..1a819bb 100644
--- a/project.clj
+++ b/project.clj
@@ -5,10 +5,11 @@
             :url "https://opensource.org/licenses/MIT"}
 
   :dependencies [[org.clojure/clojure "1.8.0"]
-                 [org.clojure/core.memoize "0.8.2"]
-                 [org.clojure/math.numeric-tower "0.0.4"]
-                 [org.clojure/tools.logging "0.5.0"]
-                 [selmer "1.12.17"]]
+                 [org.clojure/data.json "2.5.1"]
+                 [org.clojure/core.memoize "1.1.266"]
+                 [org.clojure/math.numeric-tower "0.1.0"]
+                 [org.clojure/tools.logging "1.3.0"]
+                 [selmer "1.12.62"]]
 
   :plugins [[lein-codox "0.10.4"]
             [lein-release "1.0.5"]]