diff --git a/.travis.yml b/.travis.yml
index 8cd946b24..c3fb3fa4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,10 +19,8 @@ addons:
   apt_packages:
     - pandoc
 before_script:
-- mkdir prism
-- mkdir prism/bin
-- export PATH=$PATH:$PWD/prism/bin/
-- ./test/prism.sh
+- . ./test/prism.sh
+- prism version
 script:
 - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then unit2 discover; else python -m unittest discover; fi
 before_deploy:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5d10fd862..8e022ec28 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -137,6 +137,9 @@ The above local "Initial setup" is complete
 
 * [pyenv](https://github.com/yyuu/pyenv)
 * [tox](https://pypi.python.org/pypi/tox)
+* [prism](https://github.com/stoplightio/prism) v0.6 - It should be available in your PATH, but unittest script
+will try to install it locally if not found. Apart from PATH env variable it will check in `~/bin` and `/usr/local/bin`.
+You can install by yourself it in user dir by calling `source test/prism.sh`.
 
 #### Initial setup: ####
 
diff --git a/test/prism.sh b/test/prism.sh
index 5d9d30024..9a37f7299 100755
--- a/test/prism.sh
+++ b/test/prism.sh
@@ -26,17 +26,24 @@ elif [ "$UNAME" = "Linux" ] ; then
 fi
 
 #LATEST=$(curl -s https://api.github.com/repos/stoplightio/prism/tags | grep -Eo '"name":.*?[^\\]",'  | head -n 1 | sed 's/[," ]//g' | cut -d ':' -f 2)
-LATEST="v0.1.5"
+LATEST="v0.6.21"
 URL="https://github.com/stoplightio/prism/releases/download/$LATEST/prism_$PLATFORM"
-DEST=./prism/bin/prism
+DESTDIR=~/bin
+DEST=$DESTDIR/prism
 
 if [ -z $LATEST ] ; then
   echo "Error requesting. Download binary from ${URL}"
   exit 1
 else
+  mkdir -p $DESTDIR
   curl -L $URL -o $DEST
   chmod +x $DEST
+  export PATH=$PATH:$DESTDIR
+  prism version
 fi
 }
 
-install
\ No newline at end of file
+install
+
+# this is needed for travis internal scripts
+set +u
\ No newline at end of file
diff --git a/test/test_sendgrid.py b/test/test_sendgrid.py
index 4818d3128..73b6b2935 100644
--- a/test/test_sendgrid.py
+++ b/test/test_sendgrid.py
@@ -24,37 +24,51 @@ def setUpClass(cls):
         cls.sg = sendgrid.SendGridAPIClient(
             host=host, path=cls.path,
             api_key=os.environ.get('SENDGRID_API_KEY'))
-        if os.path.isfile('/usr/local/bin/prism') is False:
+        cls.devnull = open(os.devnull, 'w')
+        prism_cmd = None
+        try:
+            # check for prism in the PATH
+            if subprocess.call('prism version'.split(), stdout=cls.devnull) == 0:
+                prism_cmd = 'prism'
+        except OSError:
+            prism_cmd = None
+
+        if not prism_cmd:
+            # check for known prism locations
+            for path in ('/usr/local/bin/prism', os.path.expanduser(os.path.join('~', 'bin', 'prism')),
+                         os.path.abspath(os.path.join(os.getcwd(), 'prism', 'bin', 'prism'))):
+                prism_cmd = path if os.path.isfile(path) else None
+                if prism_cmd:
+                    break
+
+        if not prism_cmd:
             if sys.platform != 'win32':
+                # try to install with prism.sh
                 try:
-                    p1 = subprocess.Popen(
-                        [
-                            "curl",
-                            "https://raw.githubusercontent.com/stoplightio/"
-                            "prism/master/install.sh"],
-                        stdout=subprocess.PIPE)
-                    prisminstaller = subprocess.Popen(
-                        ["sh"], stdin=p1.stdout, stdout=subprocess.PIPE)
-                    prisminstaller.wait()
+                    print("Warning: no prism detected, I will try to install it locally")
+                    prism_sh = os.path.abspath(os.path.join(cls.path, 'test', 'prism.sh'))
+                    if subprocess.call(prism_sh) == 0:
+                        prism_cmd = os.path.expanduser(os.path.join('~', 'bin', 'prism'))
+                    else:
+                        raise RuntimeError()
                 except Exception as e:
                     print(
-                        "Error downloading the prism binary, you can try "
+                        "Error installing the prism binary, you can try "
                         "downloading directly here "
                         "(https://github.com/stoplightio/prism/releases) "
-                        "and place in your /usr/local/bin directory",
-                        e.read())
+                        "and place in your $PATH", e)
                     sys.exit()
             else:
                 print("Please download the Windows binary "
                       "(https://github.com/stoplightio/prism/releases) "
-                      "and place it in your /usr/local/bin directory")
+                      "and place it in your %PATH% ")
                 sys.exit()
+
         print("Activating Prism (~20 seconds)")
-        devnull = open(os.devnull, 'w')
         cls.p = subprocess.Popen([
-            "prism", "run", "-s",
+            prism_cmd, "run", "-s",
             "https://raw.githubusercontent.com/sendgrid/sendgrid-oai/master/"
-            "oai_stoplight.json"], stdout=devnull, stderr=subprocess.STDOUT)
+            "oai_stoplight.json"], stdout=cls.devnull, stderr=subprocess.STDOUT)
         time.sleep(15)
         print("Prism Started")