diff --git a/project.clj b/project.clj
index 91a13a1..877f474 100644
--- a/project.clj
+++ b/project.clj
@@ -7,7 +7,7 @@
                  [clj-yaml "0.4.0"]
                  [com.cemerick/url "0.1.1"]
                  [com.fzakaria/slf4j-timbre "0.3.7"]
-                 [com.stuartsierra/component "0.3.2"]
+                 [com.stuartsierra/component "0.4.0"]
                  [com.taoensso/encore "2.92.0"]
                  [com.taoensso/timbre "4.10.0"]
                  [com.taoensso/tower "3.0.2" :exclusions [com.taoensso/encore]]
@@ -43,7 +43,7 @@
             [io.sarnowski/lein-docker "1.0.0"]
             [lein-environ "1.0.0"]
             [lein-marginalia "0.7.1" :exclusions [org.clojure/clojure]]
-            [lein-ring "0.8.13" :exclusions [org.clojure/clojure]]]
+            [lein-ring "0.12.5" :exclusions [org.clojure/clojure]]]
 
   :bower-dependencies [[simplemde "1.11.2"]
                        ;; [vega-embed "3.0.0-beta.20"] ;; vega-embed currently not loaded from Bower because of
diff --git a/src/smeagol/formatting.clj b/src/smeagol/formatting.clj
index 6a874c8..94fd134 100644
--- a/src/smeagol/formatting.clj
+++ b/src/smeagol/formatting.clj
@@ -49,7 +49,7 @@
   [^String html-src]
   (if html-src
     (cs/replace html-src #"\[\[[^\[\]]*\]\]"
-                #(let [text (clojure.string/replace %1 #"[\[\]]" "")
+                #(let [text (cs/replace %1 #"[\[\]]" "")
                        encoded (url-encode text)
                        ;; I use '\_' to represent '_' in wiki markup, because
                        ;; '_' is meaningful in Markdown. However, this needs to