diff --git a/.github/workflows/docker-openstudio.yml b/.github/workflows/docker-openstudio.yml
index 2271e4d..616d7da 100644
--- a/.github/workflows/docker-openstudio.yml
+++ b/.github/workflows/docker-openstudio.yml
@@ -10,9 +10,9 @@ on: [push, pull_request]
 
 env:
   USE_TESTING_TIMEOUTS: "true"
-  OPENSTUDIO_VERSION: 3.7.0
-  OPENSTUDIO_SHA: d5269793f1
-  OPENSTUDIO_VERSION_EXT: ""
+  OPENSTUDIO_VERSION: 3.8.0
+  OPENSTUDIO_SHA: d8eac889d0
+  OPENSTUDIO_VERSION_EXT: "-rc3"
 
 
 jobs:
@@ -27,7 +27,7 @@ jobs:
     - name: test and build
       shell: bash 
       run: |
-          docker build --target base -t openstudio:latest \
+          docker build -t openstudio:latest \
           --build-arg OPENSTUDIO_VERSION=$OPENSTUDIO_VERSION \
           --build-arg OPENSTUDIO_SHA=$OPENSTUDIO_SHA \
           --build-arg OPENSTUDIO_VERSION_EXT=$OPENSTUDIO_VERSION_EXT \
diff --git a/.github/workflows/manual_installer_test.yml b/.github/workflows/manual_installer_test.yml
index 00d002f..9d48d0c 100644
--- a/.github/workflows/manual_installer_test.yml
+++ b/.github/workflows/manual_installer_test.yml
@@ -1,4 +1,4 @@
-name: Build, test and deploy Docker image
+name: manual_update_develop
 
 on:
   workflow_dispatch:
diff --git a/Dockerfile b/Dockerfile
index 98e3ab9..b94c2ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,11 +3,12 @@ FROM ubuntu:20.04 AS base
 MAINTAINER Nicholas Long nicholas.long@nrel.gov
 
 # Set the version of OpenStudio when building the container. For example `docker build --build-arg
-ARG OPENSTUDIO_VERSION=3.7.0
-ARG OPENSTUDIO_VERSION_EXT=""
-ARG OPENSTUDIO_DOWNLOAD_URL=https://github.com/NREL/OpenStudio/releases/download/v3.7.0/OpenStudio-3.7.0+d5269793f1-Ubuntu-20.04-x86_64.deb
-ENV OS_BUNDLER_VERSION=2.1.4
-ENV RUBY_VERSION=2.7.2
+ARG OPENSTUDIO_VERSION=3.8.0
+ARG OPENSTUDIO_VERSION_EXT="-rc3"
+ARG OPENSTUDIO_DOWNLOAD_URL=https://openstudio-ci-builds.s3.amazonaws.com/develop/OpenStudio-3.8.0-rc3%2Bd8eac889d0-Ubuntu-20.04-x86_64.deb
+ENV RC_RELEASE=TRUE
+ENV OS_BUNDLER_VERSION=2.4.10
+ENV RUBY_VERSION=3.2.2
 ENV BUNDLE_WITHOUT=native_ext
 # Install gdebi, then download and install OpenStudio, then clean up.
 # gdebi handles the installation of OpenStudio's dependencies
@@ -31,23 +32,23 @@ RUN apt-get update && apt-get install -y \
     && OPENSTUDIO_DOWNLOAD_FILENAME=$(ls *.deb) \
     # Verify that the download was successful (not access denied XML from s3)
     && grep -v -q "<Code>AccessDenied</Code>" ${OPENSTUDIO_DOWNLOAD_FILENAME} \
-    && gdebi -n $OPENSTUDIO_DOWNLOAD_FILENAME 
+    && gdebi -n $OPENSTUDIO_DOWNLOAD_FILENAME \
     # Cleanup
-    RUN rm -f $OPENSTUDIO_DOWNLOAD_FILENAME \
+    && rm -f $OPENSTUDIO_DOWNLOAD_FILENAME \
     && rm -rf /var/lib/apt/lists/* \
     && locale-gen en_US en_US.UTF-8 \
     && dpkg-reconfigure locales
 
+RUN apt update && apt install -y libyaml-dev ruby-full 
 # RUN apt-get install ca-certificates 
-# RUN curl -k -SLO https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.2.tar.gz \
-
-RUN curl -SLO -k https://cache.ruby-lang.org/pub/ruby/2.7/ruby-2.7.2.tar.gz \
-    && tar -xvzf ruby-2.7.2.tar.gz \
-    && cd ruby-2.7.2 \
+RUN pwd
+RUN curl -SLO -k https://cache.ruby-lang.org/pub/ruby/3.2/ruby-3.2.2.tar.gz \
+    && tar -xvzf ruby-3.2.2.tar.gz \
+    && cd ruby-3.2.2 \
     && ./configure \
     && make && make install 
 
-
+RUN rm -rf ruby*
 ## Add RUBYLIB link for openstudio.rb
 ENV RUBYLIB=/usr/local/openstudio-${OPENSTUDIO_VERSION}${OPENSTUDIO_VERSION_EXT}/Ruby
 ENV ENERGYPLUS_EXE_PATH=/usr/local/openstudio-${OPENSTUDIO_VERSION}${OPENSTUDIO_VERSION_EXT}/EnergyPlus/energyplus
diff --git a/test/Gemfile-git b/test/Gemfile-git
index 9e6d6d7..dfdb763 100644
--- a/test/Gemfile-git
+++ b/test/Gemfile-git
@@ -1,6 +1,5 @@
 source 'http://rubygems.org'
 
-gem 'xml-simple'
 gem 'openstudio-standards', github: 'nrel/openstudio-standards', branch: 'ambient-loop'
 gem 'tilt', github: 'rtomayko/tilt', ref: 'abe77eaf1b5f8da0a7e46135f'
-gem 'json_pure', '~> 2.1'
\ No newline at end of file
+gem 'json_pure', '~> 2.1'