Upgrade svn on OS X 10.9
Easy way is installing via Homebrew. Just need to type the following:

$ brew install svn


These are the options:

$ brew info svn
subversion: stable 1.8.13, devel 1.9.0-rc2
Version control system designed to be a better CVS
https://subversion.apache.org/
Not installed
From: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/subversion.rb
==&gt; Dependencies
Build: pkg-config ✔, scons ✘
Required: sqlite ✔, openssl ✔
Optional: gpg-agent ✘
==&gt; Options
--universal
    Build a universal binary
--with-gpg-agent
    Build with support for GPG Agent
--with-java
    Build Java bindings
--with-perl
    Build Perl bindings
--with-python
    Build with python support
--with-ruby
    Build Ruby bindings
--devel
    Install development version 1.9.0-rc2
==&gt; Caveats
svntools have been installed to:
  /usr/local/opt/subversion/libexec


If you need to install homebrew, just use this sentence:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"