diff --git a/.github/workflows/tox_matrix.yml b/.github/workflows/tox_matrix.yml
index 89c588f6..db7dfc47 100644
--- a/.github/workflows/tox_matrix.yml
+++ b/.github/workflows/tox_matrix.yml
@@ -11,44 +11,73 @@ jobs:
           - os: macos-latest
             compiler_version: 14.0
             compiler_libcxx: libc++
-            conan_user_home: "/Users/runner"
           - os: ubuntu-latest
-            compiler_version: 11.3
+            compiler_version: 11.4
             compiler_libcxx: libstdc++11
-            conan_user_home: "/home/runner"
           - os: windows-2019
             compiler_version: 16
-            conan_user_home: 'C:/Users/runneradmin'
       fail-fast: false
     name: Python ${{ matrix.python-version }} ${{ matrix.os }} build
     steps:
+      - uses: actions/github-script@v6
+        id: conan-path-script
+        with:
+          result-encoding: string
+          script: |
+            if ('${{matrix.os}}' === 'windows-2019'){
+              return 'C:/Users/runneradmin'
+            }
+            if ('${{matrix.os}}' === 'ubuntu-latest'){
+              return '/home/runner'
+            }
+            if ('${{matrix.os}}' === 'macos-latest'){
+              return '/Users/runner'
+            }
+            return ''
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           cache: 'pip' # caching pip dependencies
-          cache-dependency-path: '**/requirements-dev.txt'
+          cache-dependency-path: |
+            requirements-ci.txt
+            requirements/requirements-*.txt
       - run: |
           pip install wheel
-          pip install -r requirements-dev.txt
+          pip install -r requirements-ci.txt
       - uses: actions/cache@v3
-        id: cache
+        id: cache-conan
         with:
-          path: "${{ matrix.conan_user_home }}/.conan"
-          key: ${{ runner.os }}-${{ hashFiles('**/conanfile.py') }}
+          path: "${{steps.conan-path-script.outputs.result}}/.conan"
+          key: ${{ runner.os }}-compiler-${{ matrix.compiler_version}} ${{ hashFiles('**/conanfile.py') }}
+      - name: Ensure conan settings has current compiler as valid
+        if: "!contains(matrix.os, 'windows')"
+        env:
+          CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
+        run: |
+          conan config init
+          python ci/docker/shared/conan/ensure_compiler_support_by_conan.py $(conan config home)/settings.yml ${{matrix.compiler_version}}
+          conan profile update settings.compiler.version=${{matrix.compiler_version}} default
 
-      - name: Build conan packages on Windows
-        if: ${{ contains(matrix.os, 'windows') && steps.cache.outputs.cache-hit != 'true' }}
+      - name: Prebuild Conan packages (Windows)
+        if: |
+          contains(matrix.os, 'windows') && steps.cache-conan.outputs.cache-hit != 'true'
         shell: cmd
+        env:
+          CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          pip install -r requirements/requirements-conan.txt
-          conan config init
-          conan config set general.revisions_enabled=1
           conan profile new default --detect
-          conan install . --build  missing --no-import -pr:b=default
+          conan config set general.revisions_enabled=1
+          conan install . --build  missing --build=openjpeg --no-import -pr:b=default
+
+      - name: Prebuild Conan packages
         env:
-          CONAN_USER_HOME: ${{ matrix.conan_user_home }}
+          CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
+        if: "!contains(matrix.os, 'windows') && steps.cache-conan.outputs.cache-hit != 'true'"
+        run: |
+          conan config set general.revisions_enabled=1
+          conan install . --build missing --build=openjpeg --no-import -pr:b=default
       - name: Run tox on Windows
         if: contains(matrix.os, 'windows')
         shell: cmd
@@ -56,28 +85,14 @@ jobs:
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           tox -e py
         env:
-          CONAN_USER_HOME: ${{ matrix.conan_user_home }}
+          CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
 
-      - name: Build conan packages on Non-Windows Operating Systems
-        if: ${{ !contains(matrix.os, 'windows') && steps.cache.outputs.cache-hit != 'true' }}
-        run: |
-          cc --version &&  cc -dumpfullversion -dumpversion 
-          pip install -r requirements/requirements-conan.txt
-          if conan profile show default; then echo 'profile exists'; else conan profile new default --detect; fi
-          conan config init
-          conan config set general.revisions_enabled=1
-          if [[ -z "$CONAN_COMPILER_LIBCXX" ]]; then echo 'CONAN_COMPILER_LIBCXX is not defined'; else conan profile update settings.compiler.libcxx=$CONAN_COMPILER_LIBCXX default; fi
-          conan install  . --build missing --build openjpeg --no-import -pr:b=default
-        env:
-          CONAN_COMPILER_VERSION: ${{ matrix.compiler_version }}
-          CONAN_COMPILER_LIBCXX: ${{ matrix.compiler_libcxx }}
-          CONAN_USER_HOME: ${{ matrix.conan_user_home }}
       - name: Run tox on Non-Windows Operating Systems
         if: "!contains(matrix.os, 'windows')"
         run: tox -e py -vvv
         env:
           CONAN_COMPILER_VERSION: ${{ matrix.compiler_version }}
           CONAN_COMPILER_LIBCXX: ${{ matrix.compiler_libcxx }}
-          CONAN_USER_HOME: ${{ matrix.conan_user_home }}
+          CONAN_USER_HOME: "${{steps.conan-path-script.outputs.result}}"
 
 
diff --git a/ci/docker/shared/conan/ensure_compiler_support_by_conan.py b/ci/docker/shared/conan/ensure_compiler_support_by_conan.py
new file mode 100644
index 00000000..71491a97
--- /dev/null
+++ b/ci/docker/shared/conan/ensure_compiler_support_by_conan.py
@@ -0,0 +1,23 @@
+import yaml
+import argparse
+
+def get_arg_parser():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("settings")
+    parser.add_argument("compiler_version")
+    return parser
+
+
+def main():
+    parser = get_arg_parser()
+    args = parser.parse_args()
+    with open(args.settings) as fp:
+        data = yaml.safe_load(fp)
+    if args.compiler_version not in data['compiler']['gcc']['version']:
+        data['compiler']['gcc']['version'].append(args.compiler_version)
+        with open(args.settings, "w") as fp:
+            yaml.dump(data, fp)
+        print(f"Updated {args.settings}")
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 4c9b4208..723ed8a2 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(TEST_FILES_BASE_URL "https://jenkins.library.illinois.edu/nexus/repository/sample-data/ocr_test_images")
+set(TEST_FILES_BASE_URL "https://nexus.library.illinois.edu/repository/sample-data/ocr_test_images")
 
 list(APPEND test_image_files blankpage.tif)
 list(APPEND test_image_files engwithheadings.tif)
diff --git a/tests/conftest.py b/tests/conftest.py
index 621a1461..7612b312 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -5,7 +5,7 @@
 
 import pytest
 
-USER_CONTENT_URL = "https://jenkins.library.illinois.edu/nexus/repository/sample-data/ocr_test_images"
+USER_CONTENT_URL = "https://nexus.library.illinois.edu/repository/sample-data/ocr_test_images"
 TESSDATA_SOURCE_URL = "https://github.com/tesseract-ocr/tessdata/raw/main/"