diff --git a/.github/workflows/build_workflow.yml b/.github/workflows/build_workflow.yml
index ecd3cd4be7..3f50544657 100644
--- a/.github/workflows/build_workflow.yml
+++ b/.github/workflows/build_workflow.yml
@@ -91,7 +91,7 @@ jobs:
           mamba-version: "*"
           channels: conda-forge,e3sm/label/compass,defaults
           channel-priority: strict
-          auto-update-conda: true
+          auto-update-conda: false
           python-version: ${{ matrix.python-version }}
 
       - if: ${{ steps.skip_check.outputs.should_skip != 'true' }}
diff --git a/.github/workflows/docs_workflow.yml b/.github/workflows/docs_workflow.yml
index a599f7cea8..69a1ea80ac 100644
--- a/.github/workflows/docs_workflow.yml
+++ b/.github/workflows/docs_workflow.yml
@@ -43,7 +43,7 @@ jobs:
           mamba-version: "*"
           channels: conda-forge,e3sm/label/compass,defaults
           channel-priority: strict
-          auto-update-conda: true
+          auto-update-conda: false
           python-version: ${{ matrix.python-version }}
 
       - if: ${{ steps.skip_check.outputs.should_skip != 'true' }}
diff --git a/conda/shared.py b/conda/shared.py
index dc2c37451f..dfa01f944e 100644
--- a/conda/shared.py
+++ b/conda/shared.py
@@ -181,7 +181,8 @@ def install_miniconda(conda_base, activate_base, logger):
     check_call(commands, logger=logger)
 
     commands = f'{activate_base} && ' \
-               f'mamba update -y --all && ' \
+               f'mamba install "conda>=4.14,<23.9.0a0" mamba=1.5.1 -y --all ' \
+               f'&& ' \
                f'mamba init'
 
     check_call(commands, logger=logger)