diff --git a/build_envs/docs.yml b/build_envs/docs.yml
index 01c2cae6..fd2ca1fb 100644
--- a/build_envs/docs.yml
+++ b/build_envs/docs.yml
@@ -2,7 +2,7 @@ name: gv-docs
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8, <3.12
+  - python>=3.9, <3.12
   - cartopy
   - cmaps
   - matplotlib<3.8
diff --git a/build_envs/environment.yml b/build_envs/environment.yml
index d1172053..5a6fd5f4 100644
--- a/build_envs/environment.yml
+++ b/build_envs/environment.yml
@@ -2,7 +2,7 @@ name: geocat_viz_build
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8, <3.12
+  - python>=3.9, <3.12
   - cartopy
   - make
   - matplotlib<3.8
diff --git a/docs/installation.rst b/docs/installation.rst
index cc0a19d3..399e5ab0 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -95,7 +95,7 @@ installed.
 Required dependencies for building and testing GeoCAT-viz
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-    - Python 3.8+
+    - Python 3.9+
     - `numpy <https://numpy.org/doc/stable/>`__
     - `xarray <http://xarray.pydata.org/en/stable/>`__
     - `matplotlib <https://matplotlib.org/stable/index.html>`__