diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22546f6..6feff3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+0.13.5
+------
+- Memory and performance optimization
+    - Up to 2x performance with half the amount of memory
+
 0.13.4
 ------
 - Performance optimization
diff --git a/install b/install
index 6e77d52..6744787 100755
--- a/install
+++ b/install
@@ -2,8 +2,8 @@
 
 set -u
 
-[[ "$@" =~ --pre ]] && version=0.13.4 pre=1 ||
-                       version=0.13.4 pre=0
+[[ "$@" =~ --pre ]] && version=0.13.5 pre=1 ||
+                       version=0.13.5 pre=0
 
 auto_completion=
 key_bindings=
diff --git a/man/man1/fzf-tmux.1 b/man/man1/fzf-tmux.1
index 5eabb5e..7be7317 100644
--- a/man/man1/fzf-tmux.1
+++ b/man/man1/fzf-tmux.1
@@ -21,7 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ..
-.TH fzf-tmux 1 "Aug 2016" "fzf 0.13.4" "fzf-tmux - open fzf in tmux split pane"
+.TH fzf-tmux 1 "Aug 2016" "fzf 0.13.5" "fzf-tmux - open fzf in tmux split pane"
 
 .SH NAME
 fzf-tmux - open fzf in tmux split pane
diff --git a/man/man1/fzf.1 b/man/man1/fzf.1
index c6b2dea..69c360f 100644
--- a/man/man1/fzf.1
+++ b/man/man1/fzf.1
@@ -21,7 +21,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 ..
-.TH fzf 1 "Aug 2016" "fzf 0.13.4" "fzf - a command-line fuzzy finder"
+.TH fzf 1 "Aug 2016" "fzf 0.13.5" "fzf - a command-line fuzzy finder"
 
 .SH NAME
 fzf - a command-line fuzzy finder
diff --git a/src/constants.go b/src/constants.go
index 74c59fa..c041086 100644
--- a/src/constants.go
+++ b/src/constants.go
@@ -8,7 +8,7 @@ import (
 
 const (
 	// Current version
-	version = "0.13.4"
+	version = "0.13.5"
 
 	// Core
 	coordinatorDelayMax  time.Duration = 100 * time.Millisecond
diff --git a/src/update_assets.rb b/src/update_assets.rb
index c849f9e..2fd9edc 100755
--- a/src/update_assets.rb
+++ b/src/update_assets.rb
@@ -2,6 +2,7 @@
 
 # http://www.rubydoc.info/github/rest-client/rest-client/RestClient
 require 'rest_client'
+require 'json'
 
 if ARGV.length < 3
   puts "usage: #$0 <token> <version> <files...>"