diff --git a/python/test/test_alm.py b/python/test/test_alm.py
index 62fcf89a7b..c961d0e3c6 100644
--- a/python/test/test_alm.py
+++ b/python/test/test_alm.py
@@ -3,7 +3,10 @@
 import alpaqa as pa
 import numpy as np
 from pprint import pprint
+import pytest
 
+
+@pytest.mark.skipif(not pa.with_casadi, reason="requires CasADi")
 def test_alm():
     import alpaqa.casadi_loader as cl
 
@@ -59,6 +62,7 @@ def test_alm():
     assert np.linalg.norm(y - [0, -2/3]) < 1e-5
 
 
+@pytest.mark.skipif(not pa.with_casadi, reason="requires CasADi")
 def test_alm_pyapi_compile():
     import casadi as cs
 
@@ -97,6 +101,7 @@ def test_alm_pyapi_compile():
     assert np.linalg.norm(y - [0, -2/3]) < 1e-5
 
 
+@pytest.mark.skipif(not pa.with_casadi, reason="requires CasADi")
 def test_alm_pyapi_build():
     import casadi as cs
 
diff --git a/python/test/test_alm_thread.py b/python/test/test_alm_thread.py
index 36e997db28..9c3846e9e2 100644
--- a/python/test/test_alm_thread.py
+++ b/python/test/test_alm_thread.py
@@ -6,6 +6,7 @@
 import os
 
 
+@pytest.mark.skipif(not pa.with_casadi, reason="requires CasADi")
 def test_alm_threaded():
     valgrind = 'valgrind' in os.getenv('LD_PRELOAD', '')