diff --git a/certsuite/adb_b2g.py b/certsuite/adb_b2g.py
index d0495382..f2132460 100644
--- a/certsuite/adb_b2g.py
+++ b/certsuite/adb_b2g.py
@@ -169,6 +169,11 @@ def prefs_modified():
 
             def inner():
                 try:
+                    # add checking adbd's user, if it's not root, then give a command adb root to restart adbd as root user
+                    adbd_process = self.shell_output("ps|grep adbd")
+                    if "root" not in adbd_process:
+                        self._logger.info("Restart adbd running as root user")
+                        os.system("adb root")
                     listing = self.shell_output("ls -l %s" % (prefs_file))
                     mode, user, group, size, date, time, name = listing.split(None, 6)
                     mtime = "%s %s" % (date, time)
diff --git a/certsuite/harness.py b/certsuite/harness.py
index 549a9755..39bbeb0c 100644
--- a/certsuite/harness.py
+++ b/certsuite/harness.py
@@ -360,6 +360,8 @@ def check_root(device):
             have_root = user == "root"
             if not have_root:
                 logger.critical("adbd running as non-root user %s" % user)
+                logger.critical("Restart adbd running as root user")
+                os.system("adb root")
             break
     if not have_adbd:
         logger.critical("adbd process not found")
diff --git a/requirements.txt b/requirements.txt
index 76b174ac..d26b7620 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,16 +1,18 @@
-fxos-appgen >= 0.11
+fxos-appgen == 0.13
 gaiatest == 0.26
 marionette_client == 0.7.10
-marionette_extension >= 0.4.7
-mozdevice >= 0.41
-mozlog >= 2.1
-moznetwork >= 0.24
-mozprocess >= 0.18
-mozprofile >= 0.21
-mozrunner >= 6.1
-moztest >= 0.6
+marionette_extension == 0.4.8
+mozdevice == 0.45
+mozlog == 2.11
+moznetwork == 0.26
+mozprocess == 0.22
+mozprofile == 0.24
+mozrunner == 6.7
+moztest == 0.7
+mozcrash == 0.14
+mozversion == 1.2
 py == 1.4.20
 sphinx
-tornado >= 3.2
-wptrunner >= 1.4
-wptserve >= 1.0.1
+tornado == 4.2
+wptrunner == 1.14
+wptserve == 1.3.0