diff --git a/tests/docker-compose.yml b/tests/docker-compose.yml
index 60a566ffb..da5ae9fb4 100644
--- a/tests/docker-compose.yml
+++ b/tests/docker-compose.yml
@@ -9,6 +9,7 @@ services:
     environment:
       POSTGRES_USER: 'postgres'
       POSTGRES_DB: 'elasticapm_test'
+      POSTGRES_PASSWORD: 'postgres'
     volumes:
       - pypgdata:/var/lib/postgresql/data
     healthcheck:
diff --git a/tests/instrumentation/asyncio/aiopg_tests.py b/tests/instrumentation/asyncio/aiopg_tests.py
index d06a71e8f..64796f92d 100644
--- a/tests/instrumentation/asyncio/aiopg_tests.py
+++ b/tests/instrumentation/asyncio/aiopg_tests.py
@@ -51,10 +51,11 @@
 
 
 def dsn():
-    return "dbname={database} user={user} host={host} port={port}".format(
+    return "dbname={database} user={user} password={password} host={host} port={port}".format(
         **{
             "database": os.environ.get("POSTGRES_DB", "elasticapm_test"),
             "user": os.environ.get("POSTGRES_USER", "postgres"),
+            "password": os.environ.get("POSTGRES_PASSWORD", "postgres"),
             "host": os.environ.get("POSTGRES_HOST", "localhost"),
             "port": os.environ.get("POSTGRES_PORT", "5432"),
         }
diff --git a/tests/instrumentation/psycopg2_tests.py b/tests/instrumentation/psycopg2_tests.py
index ecade3574..4045968b7 100644
--- a/tests/instrumentation/psycopg2_tests.py
+++ b/tests/instrumentation/psycopg2_tests.py
@@ -63,6 +63,7 @@ def connect_kwargs():
     return {
         "database": os.environ.get("POSTGRES_DB", "elasticapm_test"),
         "user": os.environ.get("POSTGRES_USER", "postgres"),
+        "password": os.environ.get("POSTGRES_PASSWORD", "postgres"),
         "host": os.environ.get("POSTGRES_HOST", None),
         "port": os.environ.get("POSTGRES_PORT", None),
     }
diff --git a/tests/instrumentation/pyodbc_tests.py b/tests/instrumentation/pyodbc_tests.py
index 1f8769ab6..a9d36fd80 100644
--- a/tests/instrumentation/pyodbc_tests.py
+++ b/tests/instrumentation/pyodbc_tests.py
@@ -45,9 +45,10 @@
 
 @pytest.yield_fixture(scope="function")
 def pyodbc_postgres_connection(request):
-    conn_str = ("DRIVER={PostgreSQL Unicode};" "DATABASE=%s;" "UID=%s;" "SERVER=%s;" "PORT=%s;") % (
+    conn_str = ("DRIVER={PostgreSQL Unicode};" "DATABASE=%s;" "UID=%s;" "PASSWORD=%s;" "SERVER=%s;" "PORT=%s;") % (
         os.environ.get("POSTGRES_DB", "elasticapm_test"),
         os.environ.get("POSTGRES_USER", "postgres"),
+        os.environ.get("POSTGRES_PASSWORD", "postgres"),
         os.environ.get("POSTGRES_HOST", None),
         os.environ.get("POSTGRES_PORT", None),
     )
diff --git a/tests/scripts/envs/aiopg.sh b/tests/scripts/envs/aiopg.sh
index 076da0e4b..cc503262c 100644
--- a/tests/scripts/envs/aiopg.sh
+++ b/tests/scripts/envs/aiopg.sh
@@ -2,6 +2,7 @@ export PYTEST_MARKER="-m aiopg"
 export DOCKER_DEPS="postgres"
 export POSTGRES_HOST="postgres"
 export POSTGRES_USER="postgres"
+export POSTGRES_PASSWORD="postgres"
 export POSTGRES_DB="elasticapm_test"
 export POSTGRES_HOST="postgres"
 export POSTGRES_PORT="5432"
diff --git a/tests/scripts/envs/psycopg2.sh b/tests/scripts/envs/psycopg2.sh
index 50f440409..b20b30086 100644
--- a/tests/scripts/envs/psycopg2.sh
+++ b/tests/scripts/envs/psycopg2.sh
@@ -2,6 +2,7 @@ export PYTEST_MARKER="-m psycopg2"
 export DOCKER_DEPS="postgres"
 export POSTGRES_HOST="postgres"
 export POSTGRES_USER="postgres"
+export POSTGRES_PASSWORD="postgres"
 export POSTGRES_DB="elasticapm_test"
 export POSTGRES_HOST="postgres"
 export POSTGRES_PORT="5432"
diff --git a/tests/scripts/envs/pyodbc.sh b/tests/scripts/envs/pyodbc.sh
index 76948c8fc..73096382b 100644
--- a/tests/scripts/envs/pyodbc.sh
+++ b/tests/scripts/envs/pyodbc.sh
@@ -2,6 +2,7 @@ export PYTEST_MARKER="-m pyodbc"
 export DOCKER_DEPS="postgres"
 export POSTGRES_HOST="postgres"
 export POSTGRES_USER="postgres"
+export POSTGRES_PASSWORD="postgres"
 export POSTGRES_DB="elasticapm_test"
 export POSTGRES_HOST="postgres"
 export POSTGRES_PORT="5432"