diff --git a/tox.ini b/tox.ini
index 18176ffd..3bee4262 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,6 +31,15 @@ deps =
     pytest
 commands = mypy src/ tests/
 
+[testenv:asan]
+setenv=
+    PYTHONDEVMODE=1
+    PYTHONMALLOC=malloc
+    CFLAGS=-lasan -fsanitize=address -fno-omit-frame-pointer
+allowlist_externals=bash
+commands=
+    bash -c 'export LD_PRELOAD=$(gcc -print-file-name=libasan.so) && printenv LD_PRELOAD && python -c "import dnaio" && pytest tests'
+
 [testenv:docs]
 basepython = python3.10
 changedir = doc