diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2409253e..b8744703 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -24,10 +24,16 @@ sphinx:
 # Eventually we will also build docs as PDF and ePub.
 # formats: all
 
-# The Docker image for building the docs
+# This OS version 
 build:
-  image: latest
-
+  os: ubuntu-22.04
+  # This Conda environment (per the Read The Docs documentation, URL below)
+  # uses libmamba to handle conda install requests.  That should be much, 
+  # much faster than the old version.
+  tools: 
+    python: "mambaforge-22.9"
+      
+  
 # The Anaconda environment to build the docs
 conda:
   environment: documentation_build_environment.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 28ac4bf1..bd3cdeaf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ any given one.
 
 ### TRACKTABLE 1.7.0
 
+- 298: Update ReadTheDocs config to use libmamba
 - 296: Conda YML per OS and Python version
 - 293: Add brand new CHANGELOG for 1.7.0 and future releases
 - 294: Update PyPI tags for Python 3.11
diff --git a/documentation_build_environment.yml b/documentation_build_environment.yml
index 0e52bc49..814e628c 100644
--- a/documentation_build_environment.yml
+++ b/documentation_build_environment.yml
@@ -15,7 +15,8 @@ dependencies:
   - scipy>=1.5.2
   - tracktable
   - tracktable-data>=1.7.0
-
+  - pip
+  
   # Jupyter Dependencies
   - ipykernel
   - jupyter