diff --git a/tests/envs/test_checkers.py b/tests/envs/test_checkers.py
index 788ea46..80f24cc 100644
--- a/tests/envs/test_checkers.py
+++ b/tests/envs/test_checkers.py
@@ -1,7 +1,7 @@
 import gym
 import pytest
 import ma_gym
-from pytest_cases import pytest_parametrize_plus, fixture_ref
+from pytest_cases import parametrize_plus, fixture_ref
 
 @pytest.fixture(scope='module')
 def env():
@@ -83,7 +83,7 @@ def test_reset_after_episode_end(env):
     assert env._total_episode_reward == ep_reward
     test_reset(env)
 
-@pytest_parametrize_plus('env',
+@parametrize_plus('env',
                          [fixture_ref(env),
                          fixture_ref(env_full)])
 def test_observation_space(env):
diff --git a/tests/envs/test_combat.py b/tests/envs/test_combat.py
index 4726029..c03891b 100644
--- a/tests/envs/test_combat.py
+++ b/tests/envs/test_combat.py
@@ -1,7 +1,7 @@
 import gym
 import pytest
 import ma_gym
-from pytest_cases import pytest_parametrize_plus, fixture_ref
+from pytest_cases import parametrize_plus, fixture_ref
 
 
 @pytest.fixture(scope='module')
@@ -38,7 +38,7 @@ def test_reset_after_episode_end(env):
     test_reset(env)
 
 
-@pytest_parametrize_plus('env',
+@parametrize_plus('env',
                          [fixture_ref(env)])
 def test_observation_space(env):
     obs = env.reset()
diff --git a/tests/envs/test_predatorprey5x5.py b/tests/envs/test_predatorprey5x5.py
index b8fe4d6..b133ccc 100644
--- a/tests/envs/test_predatorprey5x5.py
+++ b/tests/envs/test_predatorprey5x5.py
@@ -1,7 +1,7 @@
 import gym
 import pytest
 import ma_gym
-from pytest_cases import pytest_parametrize_plus, fixture_ref
+from pytest_cases import parametrize_plus, fixture_ref
 
 
 @pytest.fixture(scope='module')
@@ -54,7 +54,7 @@ def test_reset_after_episode_end(env):
     test_reset(env)
 
 
-@pytest_parametrize_plus('env',
+@parametrize_plus('env',
                          [fixture_ref(env),
                          fixture_ref(env_full)])
 def test_observation_space(env):
diff --git a/tests/envs/test_predatorprey7x7.py b/tests/envs/test_predatorprey7x7.py
index 249a99f..dae812e 100755
--- a/tests/envs/test_predatorprey7x7.py
+++ b/tests/envs/test_predatorprey7x7.py
@@ -1,7 +1,7 @@
 import gym
 import pytest
 import ma_gym
-from pytest_cases import pytest_parametrize_plus, fixture_ref
+from pytest_cases import parametrize_plus, fixture_ref
 
 
 @pytest.fixture(scope='module')
@@ -44,7 +44,7 @@ def test_reset_after_episode_end(env):
     test_reset(env)
 
 
-@pytest_parametrize_plus('env',
+@parametrize_plus('env',
                          [fixture_ref(env),
                          fixture_ref(env_full)])
 def test_observation_space(env):
diff --git a/tests/envs/test_switch2.py b/tests/envs/test_switch2.py
index 4371f95..8b28e53 100644
--- a/tests/envs/test_switch2.py
+++ b/tests/envs/test_switch2.py
@@ -1,7 +1,7 @@
 import gym
 import pytest
 import ma_gym
-from pytest_cases import pytest_parametrize_plus, fixture_ref
+from pytest_cases import parametrize_plus, fixture_ref
 
 @pytest.fixture(scope='module')
 def env():
@@ -75,7 +75,7 @@ def test_reset_after_episode_end(env):
     test_reset(env)
 
 
-@pytest_parametrize_plus('env',
+@parametrize_plus('env',
                          [fixture_ref(env),
                          fixture_ref(env_full)])
 def test_observation_space(env):