diff --git a/pyproject.toml b/pyproject.toml
index 9cad104..8bd5c54 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,9 @@ classifiers = [
 ]
 dependencies = [
     "capstone >= 5.0.1",
-    "lief >=0.14.1",
+    # lief has proven to change API a lot
+    # pin it to a specific version
+    "lief ==0.14.1",
     "apsw >= 3.43.1.0",
     "sh >= 2.0.6",
 ]