diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a9995706..5a2129e6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,6 +53,7 @@ jobs:
       run: |
         pip install pytest
         pip install torch torchvision
+        pip install numba
         pytest tests
 
     # - name: Install from dist
diff --git a/tests/equi2pers/numpy_inv.py b/tests/equi2pers/numpy_inv.py
index 6c49f9e9..3d97beea 100644
--- a/tests/equi2pers/numpy_inv.py
+++ b/tests/equi2pers/numpy_inv.py
@@ -5,11 +5,7 @@
 
 from timeit import timeit
 
-try:
-    from numba import jit
-except ImportError:
-    print("numba not available")
-    jit = None
+from numba import jit
 
 import numpy as np
 
@@ -59,7 +55,7 @@ def hdinv(A):
     return invA
 
 
-# @jit("float64[:,:](float64[:,:])", cache=True, nopython=True, nogil=True)
+@jit("float64[:,:](float64[:,:])", cache=True, nopython=True, nogil=True)
 def fast_inverse(A):
     inv = np.empty_like(A)
     a = A[0, 0]
@@ -89,7 +85,7 @@ def fast_inverse(A):
     return inv
 
 
-# @jit(cache=True, nopython=True, nogil=True)
+@jit(cache=True, nopython=True, nogil=True)
 def vecinv(A):
     invA = np.zeros_like(A)
     for i in range(A.shape[0]):
diff --git a/tests/grid_sample/numpy/nearest.py b/tests/grid_sample/numpy/nearest.py
index 4eac5ecd..72c7fbbb 100644
--- a/tests/grid_sample/numpy/nearest.py
+++ b/tests/grid_sample/numpy/nearest.py
@@ -4,11 +4,7 @@
 
 """
 
-try:
-    from numba import njit
-except ImportError:
-    print("numba not available")
-    njit = None
+from numba import njit
 
 import numpy as np
 
@@ -80,7 +76,7 @@ def faster_nearest(
     return out
 
 
-# @njit
+@njit
 def run(img, grid, out, b, h, w):
     for i in range(b):
         for y_out in range(h):