diff --git a/requirements.txt b/requirements.txt
index e5e7c5f9..8af5d4f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,8 +2,8 @@ floris==2.4
 feather-format>=0.4.1
 matplotlib>=3
 openoa>=2.0.1
-numpy<=1.20
-numba
+numpy==1.21
+numba>=0.55.0
 pandas>=1.3.0
 pyproj>=2.1
 pytest>=4
diff --git a/setup.py b/setup.py
index 30bef295..fd6ac3b5 100644
--- a/setup.py
+++ b/setup.py
@@ -14,8 +14,8 @@
     'floris==2.4',
     'feather-format>=0.4.1',
     'matplotlib>=3',
-    'numpy<=1.20',
-    'numba',
+    'numpy==1.21',
+    'numba>=0.55.0',
     'openoa>=2.0.1',
     'pandas>=1.3.0',
     'pyproj>=2.1',