diff --git a/pyproject.toml b/pyproject.toml
index 45683d2..182ec24 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ classifiers = [
 dependencies = [
   "dmr-kaitai>=1.0",
   "bitarray>=2.9.2",
-  "numpy>=1.26.3",
+  "numpy>=1.24.4",  # 1.24.4 is latest release compatible with Python 3.8.x branch
   "scapy>=2.5.0",
   "asyncio>=3.4.3",
   "puresnmp>=2.0.0.post1"