diff --git a/.travis.yml b/.travis.yml
index b3935b3..90ed201 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,24 @@ env:
   - "SUITE=units       DB=postgresql"
   - "SUITE=functionals DB=postgresql"
   - "SUITE=integration DB=postgresql"
+  - "SUITE=units       DB=postgresql-8.4"
+  - "SUITE=functionals DB=postgresql-8.4"
+  - "SUITE=integration DB=postgresql-8.4"
+  - "SUITE=units       DB=postgresql-9.1"
+  - "SUITE=functionals DB=postgresql-9.1"
+  - "SUITE=integration DB=postgresql-9.1"
+  - "SUITE=units       DB=postgresql-9.2"
+  - "SUITE=functionals DB=postgresql-9.2"
+  - "SUITE=integration DB=postgresql-9.2"
+  - "SUITE=units       DB=postgresql-9.3"
+  - "SUITE=functionals DB=postgresql-9.3"
+  - "SUITE=integration DB=postgresql-9.3"
+  - "SUITE=units       DB=postgresql-9.4"
+  - "SUITE=functionals DB=postgresql-9.4"
+  - "SUITE=integration DB=postgresql-9.4"
+  - "SUITE=units       DB=postgresql-9.5"
+  - "SUITE=functionals DB=postgresql-9.5"
+  - "SUITE=integration DB=postgresql-9.5"
   - "SUITE=units       DB=mysql"
   - "SUITE=functionals DB=mysql"
   - "SUITE=integration DB=mysql"
@@ -37,6 +55,28 @@ before_install:
     fi
   - "sudo apt-get update -qq"
   - "sudo apt-get --no-install-recommends install bzr cvs git mercurial subversion"
+  - if [[ $DB =~ postgresql ]] ;
+    then
+      if [[ $DB =~ postgresql- ]] ;
+      then
+        PG_VER=`echo $DB | sed -e 's/postgresql-//'` ;
+        sudo service postgresql stop ;
+        sudo apt-get -y -qq --purge remove postgresql libpq-dev libpq5 postgresql-client-common postgresql-common ;
+        sudo rm -rf /var/lib/postgresql ;
+        sudo sh -c "echo deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main ${PG_VER} >> /etc/apt/sources.list.d/pgdg.list" ;
+        wget --quiet -O - http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | sudo apt-key add - ;
+        sudo apt-get update -qq ;
+        sudo apt-get -y -o Dpkg::Options::=--force-confdef -o Dpkg::Options::="--force-confnew" install postgresql-${PG_VER} postgresql-contrib-${PG_VER} postgresql-server-dev-${PG_VER} ;
+        echo "local all all trust" | sudo tee /etc/postgresql/${PG_VER}/main/pg_hba.conf ;
+        echo "host all all 127.0.0.1/32 trust" | sudo tee -a /etc/postgresql/${PG_VER}/main/pg_hba.conf ;
+        echo "host all all ::1/128 trust" | sudo tee -a /etc/postgresql/${PG_VER}/main/pg_hba.conf ;
+        sudo service postgresql restart ;
+      fi ;
+      psql --version ;
+      psql -c "SHOW SERVER_VERSION" -U postgres ;
+      psql -c "SHOW SERVER_ENCODING" -U postgres ;
+      psql -c "SHOW DateStyle" -U postgres ;
+    fi
 script:
   - export DATABASE_ADAPTER=${DB}
   - "SCMS=bazaar,cvs,subversion,git,mercurial,filesystem"
diff --git a/lib/tasks/ci.rake b/lib/tasks/ci.rake
index 41a334c..3441bc6 100644
--- a/lib/tasks/ci.rake
+++ b/lib/tasks/ci.rake
@@ -62,7 +62,7 @@ file 'config/database.yml' do
       dev_conf['password'] = 'jenkins'
     end
     test_conf = dev_conf.merge('database' => test_db_name)
-  when 'postgresql'
+  when /postgresql/
     dev_conf =  {'adapter' => 'postgresql', 'database' => dev_db_name,
                  'host' => 'localhost'}
     if ENV['RUN_ON_NOT_OFFICIAL']