diff --git a/requirements-dev.txt b/requirements-dev.txt
index 4135f25..490c93b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,9 @@
 elasticsearch>=8.3,<9
 pandas>=1.5,<2
 matplotlib>=3.6
-numpy<1.24
+# Shap is incompatible with NumPy >= 1.24 (elastic/eland#539)
+# Fix NumPy to a known good range of versions
+numpy>=1.2.0,<1.24
 tqdm<5
 
 #
diff --git a/requirements.txt b/requirements.txt
index f4fbfda..a62f2ae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,6 @@
 elasticsearch>=8.3,<9
 pandas>=1.5,<2
 matplotlib>=3.6
-numpy<2
+# Shap is incompatible with NumPy >= 1.24 (elastic/eland#539)
+# Fix NumPy to a known good range of versions
+numpy>=1.2.0,<1.24
diff --git a/setup.py b/setup.py
index 7894754..63ab3c7 100644
--- a/setup.py
+++ b/setup.py
@@ -85,7 +85,7 @@ setup(
         "elasticsearch>=8.3,<9",
         "pandas>=1.5,<2",
         "matplotlib>=3.6",
-        "numpy<1.24",
+        "numpy>=1.2.0,<1.24",
     ],
     scripts=["bin/eland_import_hub_model"],
     python_requires=">=3.8",