diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 872d268..c4ddd88 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -13,6 +13,10 @@ jobs:
         python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
         os: [ windows-latest, ubuntu-latest, macos-latest ]
         numba: [true, false]
+        # Numba is not out on Python 3.13 yet.
+        exclude:
+          - python-version: "3.13"
+            numba: true
       fail-fast: false
     defaults:
       run:
@@ -37,10 +41,9 @@ jobs:
         python -m pip install -e . --no-deps --force-reinstall
 
     - name: numba
-      # numba is listed in requirements.txt so we need to remove it below.
-      if: ${{ ! matrix.numba }}
+      if: ${{ matrix.numba }}
       run: |
-        micromamba remove numba
+        micromamba install numba
 
     - name: Tests
       run: |
diff --git a/requirements-dev.txt b/requirements-dev.txt
index bb02da3..75e9597 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,5 +2,4 @@ bokeh
 dask
 erddapy
 nco
-numba
 pytest
diff --git a/requirements.txt b/requirements.txt
index ebd9d02..b80b169 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ geographiclib
 geojson
 h5netcdf
 jsonschema
-numpy>=1.14,<2
+numpy>=1.14
 pandas
 pyparsing
 ruamel.yaml