diff --git a/.circleci/config.yml b/.circleci/config.yml
index e9bb12f..45ded26 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -32,7 +32,7 @@ jobs:
           command: "cargo fmt --check"
       - run:
           name: "Install dependencies"
-          command: "sudo apt-get update && sudo apt-get install -y psmisc postgresql-contrib-12 postgresql-client-12 ruby ruby-dev libpq-dev python"
+          command: "sudo apt-get update && sudo apt-get install -y psmisc postgresql-contrib-12 postgresql-client-12 ruby ruby-dev libpq-dev python3 python3-pip"
       - run:
           name: "Build"
           command: "cargo build"
diff --git a/.circleci/run_tests.sh b/.circleci/run_tests.sh
index a6fb790..138dbec 100644
--- a/.circleci/run_tests.sh
+++ b/.circleci/run_tests.sh
@@ -66,19 +66,19 @@ psql -U sharding_user -e -h 127.0.0.1 -p 6432 -f tests/sharding/query_routing_te
 #
 # ActiveRecord tests
 #
-cd tests/ruby && \
-    sudo gem install bundler && \
-    bundle install && \
-    ruby tests.rb
-cd /home/circleci/project
+cd tests/ruby
+sudo gem install bundler
+bundle install
+ruby tests.rb
+cd ../..
 
 #
 # Python tests
 #
-cd tests/python && \
-    pip install -r requirements.txt && \
-    python tests.py
-cd /home/circleci/project
+cd tests/python
+pip3 install -r requirements.txt
+python3 tests.py
+cd ../..
 
 
 # Admin tests
diff --git a/tests/python/tests.py b/tests/python/tests.py
index 06d27dc..15e3822 100644
--- a/tests/python/tests.py
+++ b/tests/python/tests.py
@@ -10,7 +10,7 @@ def test_normal_db_access():
 
 
 def test_admin_db_access():
-    conn = psycopg2.connect("postgres://user:pass@127.0.0.1:6432/pgcat")
+    conn = psycopg2.connect("postgres://admin_user:admin_pass@127.0.0.1:6432/pgcat")
     conn.autocommit = True # BEGIN/COMMIT is not supported by admin db
     cur = conn.cursor()