diff --git a/.github/workflows/bundle_with_dakota_caller.yml b/.github/workflows/bundle_with_dakota_caller.yml
index 5dcf3940..5c237ebb 100644
--- a/.github/workflows/bundle_with_dakota_caller.yml
+++ b/.github/workflows/bundle_with_dakota_caller.yml
@@ -3,7 +3,7 @@ name: 🏎️ Make & Test Wheels 🏎️
 env: 
   ERT_SHOW_BACKTRACE: 1
   NO_PROJECT_RES: 1
-  BOOST_VERSION: 1.84.0
+  BOOST_VERSION: 1.85.0
   DAKOTA_VERSION: 6.19.0
   INSTALL_DIR: local
   NEEDS_REBUILD: true
diff --git a/.github/workflows/bundle_with_dakota_linux.yml b/.github/workflows/bundle_with_dakota_linux.yml
index dc18bb04..cb8ad72a 100644
--- a/.github/workflows/bundle_with_dakota_linux.yml
+++ b/.github/workflows/bundle_with_dakota_linux.yml
@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8','3.9','3.10','3.11','3.12']
+        python-version: ['3.11']
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     env:
diff --git a/.github/workflows/bundle_with_dakota_macos.yml b/.github/workflows/bundle_with_dakota_macos.yml
index f043f16b..63377b50 100644
--- a/.github/workflows/bundle_with_dakota_macos.yml
+++ b/.github/workflows/bundle_with_dakota_macos.yml
@@ -29,8 +29,8 @@ jobs:
       fail-fast: true
       matrix:
         # https://github.com/actions/runner-images?tab=readme-ov-file#available-images
-        python-version: [ '3.8', '3.11', '3.12' ]
-        os: [ 'macos-14', 'macos-14-large', 'macos-13' ]
+        python-version: [ '3.11' ]
+        os: [ 'macos-14' ]
         exclude:
           - os: 'macos-14'
             python-version: '3.8'
@@ -88,6 +88,10 @@ jobs:
         key: ${{ matrix.os }}_python-${{ matrix.python-version }}_boost-${{ inputs.BOOST_VERSION }}_dakota-${{ inputs.DAKOTA_VERSION }}
         path: ${{ github.workspace }}/python-${{ matrix.python-version}}_boost-${{ inputs.BOOST_VERSION }}_dakota-${{ inputs.DAKOTA_VERSION }}.tar.gz
 
+    - name: Install brew gcc
+      if: steps.cache-package.outputs.cache-hit != 'true'
+      run: brew install gcc
+
     - name: Install dependencies
       if: steps.cache-package.outputs.cache-hit != 'true'
       run: |
@@ -133,6 +137,9 @@ jobs:
         FORTRAN_PATH=$(dirname "$FORTRAN_FULLPATH")
         export PATH=$FORTRAN_PATH:$PATH
 
+        gcc --version
+        gfortran --version
+
         tar xf dakota-${{ inputs.DAKOTA_VERSION }}-public-src-cli.tar.gz
         EIGEN_CMAKE_PATH=dakota-${{ inputs.DAKOTA_VERSION }}-public-src-cli/packages/external/eigen3/share/eigen3/cmake
 
@@ -301,8 +308,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ '3.8', '3.11', '3.12' ]
-        os: [ 'macos-14', 'macos-14-large', 'macos-13' ]
+        python-version: [ '3.11' ]
+        os: [ 'macos-14' ]
         exclude:
           - os: 'macos-14'
             python-version: '3.8'