diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 2d189fb..6259f86 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -39,7 +39,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: ESCOMP/CESM
-          ref: cesm3_0_alpha09d
+          ref: cesm3_0_alpha09g
           path: CESM
           #submodules: recursive
 
diff --git a/docs/installation.rst b/docs/installation.rst
index 3c6809e..c586cd6 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -1,7 +1,7 @@
 Installation
 ======================================
 
-visualCaseGen presently works with the cesm3_0_alpha09d version of CESM. The following
+visualCaseGen presently works with the cesm3_0_alpha09g version of CESM. The following
 instructions guide you through obtaining this CESM version and installing visualCaseGen within it.
 
 Prerequisite
@@ -31,8 +31,8 @@ CESM may take some time.
 
 .. code-block:: bash
 
-    git clone https://github.com/ESCOMP/CESM.git -b cesm3_0_alpha09d cesm3_0_alpha09d
-    cd cesm3_0_alpha09d
+    git clone https://github.com/ESCOMP/CESM.git -b cesm3_0_alpha09g cesm3_0_alpha09g
+    cd cesm3_0_alpha09g
     ./bin/git-fleximod update
 
 Then, clone visualCaseGen (with its submodules) inside the CESM directory:
diff --git a/docs/open.rst b/docs/open.rst
index 3545239..905bd0d 100644
--- a/docs/open.rst
+++ b/docs/open.rst
@@ -64,7 +64,7 @@ To access the GUI on a remote machine, set up SSH tunneling with port forwarding
 .. code-block:: bash
 
     conda activate visualCaseGen
-    cd [PATH_TO_visualCaseGen] # e.g., ~/cesm3_0_alpha09d/visualCaseGen
+    cd [PATH_TO_visualCaseGen] # e.g., ~/cesm3_0_alpha09g/visualCaseGen
     jupyter-lab GUI.ipynb --no-browser
 
 If the above steps are successful, the command line will display a URL that you can copy and paste into your web browser
diff --git a/visualCaseGen/cime_interface.py b/visualCaseGen/cime_interface.py
index 81e9290..9d93dd0 100644
--- a/visualCaseGen/cime_interface.py
+++ b/visualCaseGen/cime_interface.py
@@ -124,10 +124,10 @@ def _check_cime_compatibility(self):
 
         cime_major, cime_minor, cime_patch = map(int, match.groups())
 
-        # check cime version compatibility (cesm3_0_alpha09d ships cime6.2.2)
+        # check cime version compatibility (cesm3_0_alpha09g ships cime6.4.1)
         assert cime_major == 6, f"Unsupported major version: {cime_major} in cime git tag: {cime_git_tag}"
-        assert cime_minor == 2, f"Unsupported minor version: {cime_minor} in cime git tag: {cime_git_tag}"
-        assert cime_patch >= 2, f"Unsupported patch version: {cime_patch} in cime git tag: {cime_git_tag}"
+        assert cime_minor == 4, f"Unsupported minor version: {cime_minor} in cime git tag: {cime_git_tag}"
+        assert cime_patch >= 1, f"Unsupported patch version: {cime_patch} in cime git tag: {cime_git_tag}"
 
 
     @property