diff --git a/CHANGELOG.md b/CHANGELOG.md
index c342b65..bf93a33 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## Releases
 
-### v3.9.6 - [Unreleased]
+### v3.9.x - [Unreleased]
+
+### v3.9.6 - 2019-07-20
 
 #### Added
 
@@ -26,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 - Nginx was not reloaded after enabling HSTS
 - Netdata, Composer & Fail2Ban stack remove and purge
+- WordPress not installed by `wo site update` with basic php73 sites
 
 ### v3.9.5.4 - 2019-07-13
 
diff --git a/install b/install
index 6408a5e..813473d 100755
--- a/install
+++ b/install
@@ -7,7 +7,7 @@
 # Copyright (c) 2019 - WordOps
 # This script is licensed under M.I.T
 # -------------------------------------------------------------------------
-# Version 3.9.6 - 2019-07-16
+# Version 3.9.6 - 2019-07-20
 # -------------------------------------------------------------------------
 readonly wo_version_old="2.2.3"
 readonly wo_version_new="3.9.6"
diff --git a/wo/cli/plugins/site_functions.py b/wo/cli/plugins/site_functions.py
index 995b648..525f273 100644
--- a/wo/cli/plugins/site_functions.py
+++ b/wo/cli/plugins/site_functions.py
@@ -924,7 +924,7 @@ def site_package_check(self, stype):
                 apt_packages = apt_packages + WOVariables.wo_php73
 
         if (os.path.isdir("/etc/nginx/common") and
-                not os.path.isfile("/etc/nginx/common/php73.conf")):
+                not os.path.isfile("/etc/nginx/common/locations-wo.conf")):
             data = dict()
             Log.debug(self, 'Writting the nginx configuration to '
                       'file /etc/nginx/common/locations-wo.conf')
@@ -1299,9 +1299,18 @@ def removeAcmeConf(self, domain):
     if os.path.isdir('/etc/letsencrypt/renewal/{0}_ecc'
                      .format(domain)):
         Log.debug(self, "Removing Acme configuration")
-        WOFileUtils.rm(self, '/etc/letsencrypt/renewal/{0}_ecc'
+        try:
+            WOShellExec.cmd_exec(self, "/etc/letsencrypt/acme.sh "
+                                       "--config-home "
+                                       "'/etc/letsencrypt/config' "
+                                       "--remove "
+                                       "-d {0} --ecc"
+                                       .format(domain))
+        except CommandExecutionError as e:
+                Log.error(self, "Cert removal failed")
+        WOFileUtils.remove(self, '/etc/letsencrypt/renewal/{0}_ecc'
                        .format(domain))
-        WOFileUtils.rm(self, '/etc/letsencrypt/live/{0}'
+        WOFileUtils.remove(self, '/etc/letsencrypt/live/{0}'
                        .format(domain))
         WOGit.add(self, ["/etc/letsencrypt"],
                   msg="Deleted {0} "
diff --git a/wo/cli/plugins/stack.py b/wo/cli/plugins/stack.py
index f318bee..bbd036a 100644
--- a/wo/cli/plugins/stack.py
+++ b/wo/cli/plugins/stack.py
@@ -97,9 +97,7 @@ class WOStackController(CementBaseController):
 
         if set(WOVariables.wo_mysql).issubset(set(apt_packages)):
             # add mariadb repository excepted on raspbian and ubuntu 19.04
-            if ((not WOVariables.wo_platform_codename == 'disco') and
-                    (not WOVariables.wo_platform_distro == 'raspbian') and
-                    (not WOVariables.wo_platform_codename == 'buster')):
+            if (not WOVariables.wo_platform_distro == 'raspbian'):
                 Log.info(self, "Adding repository for MySQL, please wait...")
                 mysql_pref = ("Package: *\nPin: origin "
                               "sfo1.mirrors.digitalocean.com"
@@ -214,6 +212,13 @@ class WOStackController(CementBaseController):
             else:
                 Log.info(self, "Adding repository for PHP, please wait...")
                 # Add repository for php
+                if (WOVariables.wo_platform_codename == 'buster'):
+                    php_pref = ("Package: *\nPin: origin "
+                                "packages.sury.org"
+                                "\nPin-Priority: 1000\n")
+                    with open('/etc/apt/preferences.d/'
+                              'PHP.pref', 'w') as php_pref_file:
+                        php_pref_file.write(php_pref)
                 Log.debug(self, 'Adding repo_url of php for debian')
                 WORepo.add(self, repo_url=WOVariables.wo_php_repo)
                 Log.debug(self, 'Adding deb.sury GPG key')