diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index d145ccd5796..5f46282cf06 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -62,11 +62,11 @@ jobs:
             isDraft: true
           - os: windows-latest
             isDraft: true
-        # Pair Python 3.9 with NumPy 1.22 and Python 3.12 with NumPy 1.26
+        # Pair Python 3.9 with NumPy 1.23 and Python 3.12 with NumPy 1.26
         # Only install optional packages on Python 3.12/NumPy 1.26
         include:
           - python-version: '3.9'
-            numpy-version: '1.22'
+            numpy-version: '1.23'
             optional-packages: ''
           - python-version: '3.12'
             numpy-version: '1.26'
diff --git a/README.rst b/README.rst
index b445b9946f3..79079ab5a45 100644
--- a/README.rst
+++ b/README.rst
@@ -271,7 +271,7 @@ Compatibility with GMT/Python/NumPy versions
       - `Dev Documentation <https://www.pygmt.org/dev>`_ (reflects `main branch <https://github.com/GenericMappingTools/pygmt>`_)
       - >=6.3.0
       - >=3.9
-      - >=1.22
+      - >=1.23
     * - `v0.10.0 <https://github.com/GenericMappingTools/pygmt/releases/tag/v0.10.0>`_ (latest release)
       - `v0.10.0 Documentation <https://www.pygmt.org/v0.10.0>`_
       - >=6.3.0
diff --git a/ci/requirements/docs.yml b/ci/requirements/docs.yml
index 8059f0b153a..ba27410ea80 100644
--- a/ci/requirements/docs.yml
+++ b/ci/requirements/docs.yml
@@ -7,7 +7,7 @@ dependencies:
     - python=3.12
     - gmt=6.5.0
     - ghostscript=10.02.1
-    - numpy>=1.22
+    - numpy
     - pandas
     - xarray
     - netCDF4
diff --git a/doc/install.rst b/doc/install.rst
index 504eb87a911..e9de9422ffb 100644
--- a/doc/install.rst
+++ b/doc/install.rst
@@ -94,7 +94,7 @@ Dependencies
 
 PyGMT requires the following libraries to be installed:
 
-* `numpy <https://numpy.org>`__ (>= 1.22)
+* `numpy <https://numpy.org>`__ (>= 1.23)
 * `pandas <https://pandas.pydata.org>`__
 * `xarray <https://xarray.dev/>`__
 * `netCDF4 <https://unidata.github.io/netcdf4-python>`__
diff --git a/environment.yml b/environment.yml
index d739aa557fe..bc7640605a0 100644
--- a/environment.yml
+++ b/environment.yml
@@ -6,7 +6,7 @@ dependencies:
     - python=3.12
     # Required dependencies
     - gmt=6.5.0
-    - numpy>=1.22
+    - numpy>=1.23
     - pandas
     - xarray
     - netCDF4
diff --git a/pyproject.toml b/pyproject.toml
index 253fb2c1160..934e1675097 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,7 @@ classifiers = [
     "License :: OSI Approved :: BSD License",
 ]
 dependencies = [
-    "numpy>=1.22",
+    "numpy>=1.23",
     "pandas",
     "xarray",
     "netCDF4",
diff --git a/requirements.txt b/requirements.txt
index 37777a99d81..079020e9f3d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Required packages
-numpy>=1.22
+numpy>=1.23
 pandas
 xarray
 netCDF4