diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 484c166..a06d5b5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,6 +35,9 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Compile AOT functions
+      run: |
+        python setup.py build
     - name: Test with nosetests
       run: |
         nosetests --verbosity=2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4d4282..1b9bd3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 3.3.0
+
+- Upgrade to NumPy 1.22 to fix compiling with Numba 0.55
+
 ## 3.2.0
 
 - Add support for Python 3.9, 3.10
diff --git a/Pipfile b/Pipfile
index a825a6d..62ec2b5 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,7 +8,7 @@ certifi = ">=2021"
 funcsigs = "==1.0.2"
 llvmlite = "==0.38.*"
 pynose = "==1.5.*"
-numpy = "==1.21.*"
+numpy = "==1.22.*"
 numba = "==0.55.*"
 
 [dev-packages]
diff --git a/Pipfile.lock b/Pipfile.lock
index 0447b85..2ed64c9 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "db50ee70395401a3ee4232a96283055f794d4572c2a9c270f960eaae2546dedb"
+            "sha256": "d0423256532094b11070be115346721a961b7095f561e612fd7c60866822a56d"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,12 +18,12 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:3cd43f1c6fa7dedc5899d69d3ad0398fd018ad1a17fba83ddaf78aa46c747516",
-                "sha256:ddc6c8ce995e6987e7faf5e3f1b02b302836a0e5d98ece18392cb1a36c72ad56"
+                "sha256:5a1e7645bc0ec61a09e26c36f6106dd4cf40c6db3a1fb6352b0244e7fb057c7b",
+                "sha256:c198e21b1289c2ab85ee4e67bb4b4ef3ead0892059901a8d5b622f24a1101e90"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.6'",
-            "version": "==2024.6.2"
+            "version": "==2024.7.4"
         },
         "funcsigs": {
             "hashes": [
@@ -105,41 +105,32 @@
         },
         "numpy": {
             "hashes": [
-                "sha256:1dbe1c91269f880e364526649a52eff93ac30035507ae980d2fed33aaee633ac",
-                "sha256:357768c2e4451ac241465157a3e929b265dfac85d9214074985b1786244f2ef3",
-                "sha256:3820724272f9913b597ccd13a467cc492a0da6b05df26ea09e78b171a0bb9da6",
-                "sha256:4391bd07606be175aafd267ef9bea87cf1b8210c787666ce82073b05f202add1",
-                "sha256:4aa48afdce4660b0076a00d80afa54e8a97cd49f457d68a4342d188a09451c1a",
-                "sha256:58459d3bad03343ac4b1b42ed14d571b8743dc80ccbf27444f266729df1d6f5b",
-                "sha256:5c3c8def4230e1b959671eb959083661b4a0d2e9af93ee339c7dada6759a9470",
-                "sha256:5f30427731561ce75d7048ac254dbe47a2ba576229250fb60f0fb74db96501a1",
-                "sha256:643843bcc1c50526b3a71cd2ee561cf0d8773f062c8cbaf9ffac9fdf573f83ab",
-                "sha256:67c261d6c0a9981820c3a149d255a76918278a6b03b6a036800359aba1256d46",
-                "sha256:67f21981ba2f9d7ba9ade60c9e8cbaa8cf8e9ae51673934480e45cf55e953673",
-                "sha256:6aaf96c7f8cebc220cdfc03f1d5a31952f027dda050e5a703a0d1c396075e3e7",
-                "sha256:7c4068a8c44014b2d55f3c3f574c376b2494ca9cc73d2f1bd692382b6dffe3db",
-                "sha256:7c7e5fa88d9ff656e067876e4736379cc962d185d5cd808014a8a928d529ef4e",
-                "sha256:7f5ae4f304257569ef3b948810816bc87c9146e8c446053539947eedeaa32786",
-                "sha256:82691fda7c3f77c90e62da69ae60b5ac08e87e775b09813559f8901a88266552",
-                "sha256:8737609c3bbdd48e380d463134a35ffad3b22dc56295eff6f79fd85bd0eeeb25",
-                "sha256:9f411b2c3f3d76bba0865b35a425157c5dcf54937f82bbeb3d3c180789dd66a6",
-                "sha256:a6be4cb0ef3b8c9250c19cc122267263093eee7edd4e3fa75395dfda8c17a8e2",
-                "sha256:bcb238c9c96c00d3085b264e5c1a1207672577b93fa666c3b14a45240b14123a",
-                "sha256:bf2ec4b75d0e9356edea834d1de42b31fe11f726a81dfb2c2112bc1eaa508fcf",
-                "sha256:d136337ae3cc69aa5e447e78d8e1514be8c3ec9b54264e680cf0b4bd9011574f",
-                "sha256:d4bf4d43077db55589ffc9009c0ba0a94fa4908b9586d6ccce2e0b164c86303c",
-                "sha256:d6a96eef20f639e6a97d23e57dd0c1b1069a7b4fd7027482a4c5c451cd7732f4",
-                "sha256:d9caa9d5e682102453d96a0ee10c7241b72859b01a941a397fd965f23b3e016b",
-                "sha256:dd1c8f6bd65d07d3810b90d02eba7997e32abbdf1277a481d698969e921a3be0",
-                "sha256:e31f0bb5928b793169b87e3d1e070f2342b22d5245c755e2b81caa29756246c3",
-                "sha256:ecb55251139706669fdec2ff073c98ef8e9a84473e51e716211b41aa0f18e656",
-                "sha256:ee5ec40fdd06d62fe5d4084bef4fd50fd4bb6bfd2bf519365f569dc470163ab0",
-                "sha256:f17e562de9edf691a42ddb1eb4a5541c20dd3f9e65b09ded2beb0799c0cf29bb",
-                "sha256:fdffbfb6832cd0b300995a2b08b8f6fa9f6e856d562800fea9182316d99c4e8e"
+                "sha256:0791fbd1e43bf74b3502133207e378901272f3c156c4df4954cad833b1380207",
+                "sha256:1ce7ab2053e36c0a71e7a13a7475bd3b1f54750b4b433adc96313e127b870887",
+                "sha256:2d487e06ecbf1dc2f18e7efce82ded4f705f4bd0cd02677ffccfb39e5c284c7e",
+                "sha256:37431a77ceb9307c28382c9773da9f306435135fae6b80b62a11c53cfedd8802",
+                "sha256:3e1ffa4748168e1cc8d3cde93f006fe92b5421396221a02f2274aab6ac83b077",
+                "sha256:425b390e4619f58d8526b3dcf656dde069133ae5c240229821f01b5f44ea07af",
+                "sha256:43a8ca7391b626b4c4fe20aefe79fec683279e31e7c79716863b4b25021e0e74",
+                "sha256:4c6036521f11a731ce0648f10c18ae66d7143865f19f7299943c985cdc95afb5",
+                "sha256:59d55e634968b8f77d3fd674a3cf0b96e85147cd6556ec64ade018f27e9479e1",
+                "sha256:64f56fc53a2d18b1924abd15745e30d82a5782b2cab3429aceecc6875bd5add0",
+                "sha256:7228ad13744f63575b3a972d7ee4fd61815b2879998e70930d4ccf9ec721dce0",
+                "sha256:9ce7df0abeabe7fbd8ccbf343dc0db72f68549856b863ae3dd580255d009648e",
+                "sha256:a911e317e8c826ea632205e63ed8507e0dc877dcdc49744584dfc363df9ca08c",
+                "sha256:b89bf9b94b3d624e7bb480344e91f68c1c6c75f026ed6755955117de00917a7c",
+                "sha256:ba9ead61dfb5d971d77b6c131a9dbee62294a932bf6a356e48c75ae684e635b3",
+                "sha256:c1d937820db6e43bec43e8d016b9b3165dcb42892ea9f106c70fb13d430ffe72",
+                "sha256:cc7f00008eb7d3f2489fca6f334ec19ca63e31371be28fd5dad955b16ec285bd",
+                "sha256:d4c5d5eb2ec8da0b4f50c9a843393971f31f1d60be87e0fb0917a49133d257d6",
+                "sha256:e96d7f3096a36c8754207ab89d4b3282ba7b49ea140e4973591852c77d09eb76",
+                "sha256:f0725df166cf4785c0bc4cbfb320203182b1ecd30fee6e541c8752a92df6aa32",
+                "sha256:f3eb268dbd5cfaffd9448113539e44e2dd1c5ca9ce25576f7c04a5453edc26fa",
+                "sha256:fb7a980c81dd932381f8228a426df8aeb70d59bbcda2af075b627bbc50207cba"
             ],
             "index": "pypi",
-            "markers": "python_version < '3.11' and python_version >= '3.7'",
-            "version": "==1.21.6"
+            "markers": "python_version >= '3.8'",
+            "version": "==1.22.4"
         },
         "pynose": {
             "hashes": [
@@ -195,12 +186,12 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:3cd43f1c6fa7dedc5899d69d3ad0398fd018ad1a17fba83ddaf78aa46c747516",
-                "sha256:ddc6c8ce995e6987e7faf5e3f1b02b302836a0e5d98ece18392cb1a36c72ad56"
+                "sha256:5a1e7645bc0ec61a09e26c36f6106dd4cf40c6db3a1fb6352b0244e7fb057c7b",
+                "sha256:c198e21b1289c2ab85ee4e67bb4b4ef3ead0892059901a8d5b622f24a1101e90"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.6'",
-            "version": "==2024.6.2"
+            "version": "==2024.7.4"
         },
         "cffi": {
             "hashes": [
diff --git a/README.md b/README.md
index 75220c7..75b56fd 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,8 @@ $ pip install --no-build-isolation gwlf-e
 Ensure you have Python 3.10 and [pipenv](https://pipenv.pypa.io/en/latest/) available. Then run:
 
 ```bash
-$ pipenv sync
+$ pipenv sync --dev
+$ pipenv run python setup.py build
 ```
 
 ### Running Locally
diff --git a/requirements.txt b/requirements.txt
index b7c75be..e309cdc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,5 +2,5 @@ certifi>=2021
 funcsigs==1.0.2
 llvmlite==0.38.*
 pynose==1.5.*
-numpy==1.21.*
+numpy==1.22.*
 numba==0.55.*
diff --git a/setup.py b/setup.py
index c0cd6eb..58b8fcc 100644
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@
 
 setup(
     name='gwlf-e',
-    version='3.2.0',
+    version='3.3.0',
     description='A Python port of Generalized Watersheds Loading Functions - Enhanced (MapShed)',
     long_description=long_description,
     long_description_content_type='text/markdown',
@@ -56,7 +56,7 @@
         'funcsigs==1.0.2',
         'llvmlite==0.38.*',
         'pynose==1.5.*',
-        'numpy==1.21.*',
+        'numpy==1.22.*',
         'numba==0.55.*',
     ],
     extras_require={