diff --git a/.github/workflows/centos.yml b/.github/workflows/centos.yml
index 4c7ca4a9fc..8ba54643bc 100644
--- a/.github/workflows/centos.yml
+++ b/.github/workflows/centos.yml
@@ -67,7 +67,7 @@ jobs:
         with:
           repository: rte-france/xpress-mp
           path: ${{ env.XPRESS_INSTALL_DIR }}
-          ref: "9.0"
+          ref: "9.0b"
           token: ${{ secrets.ACCESS_TOKEN }}
 
       - name: set Xpress variables
diff --git a/.github/workflows/oracle.yml b/.github/workflows/oracle.yml
index 46e8987c23..a94b4392b1 100644
--- a/.github/workflows/oracle.yml
+++ b/.github/workflows/oracle.yml
@@ -96,11 +96,11 @@ jobs:
 
       - name: Set-up Xpress with pip
         run: |
-          python3 -m pip install xpress==9.0.0
+          python3 -m pip install "xpress>=9.2,<9.3"
           XPRESS_DIR=/usr/local/lib64/python3.9/site-packages/xpress
           echo "XPRESSDIR=$XPRESS_DIR" >> $GITHUB_ENV
           echo "XPAUTH_PATH=$XPRESS_DIR/license/community-xpauth.xpr" >> $GITHUB_ENV
-          ln -s $XPRESS_DIR/lib/libxprs.so.41 $XPRESS_DIR/lib/libxprs.so
+          ln -s $XPRESS_DIR/lib/libxprs.so.42 $XPRESS_DIR/lib/libxprs.so
 
       - name: Configure OR-Tools
         run: |
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 9841aed74b..4b93785c1b 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -60,13 +60,13 @@ jobs:
       - name: Set-up Xpress with pip for Ubuntu
         shell: bash
         run: |
-          python -m pip install xpress==9.0.0
+          python -m pip install "xpress>=9.2,<9.3"
           echo ${{ env.pythonLocation }}
           XPRESS_DIR=${{ env.pythonLocation }}/lib/python${{ matrix.cmake.python-version }}/site-packages/xpress
           echo "XPRESSDIR=$XPRESS_DIR" >> $GITHUB_ENV
           echo "XPAUTH_PATH=$XPRESS_DIR/license/community-xpauth.xpr" >> $GITHUB_ENV
           echo "Create symbolic link for XPRESS library file because it is missing in the Python installation"
-          ln -s $XPRESS_DIR/lib/libxprs.so.41 $XPRESS_DIR/lib/libxprs.so
+          ln -s $XPRESS_DIR/lib/libxprs.so.42 $XPRESS_DIR/lib/libxprs.so
 
       - name: ccache
         if: ${{ startsWith(matrix.os, 'ubuntu') }}
diff --git a/.github/workflows/windows-cpp.yml b/.github/workflows/windows-cpp.yml
index bcb15a4428..8fb183aa8c 100644
--- a/.github/workflows/windows-cpp.yml
+++ b/.github/workflows/windows-cpp.yml
@@ -18,9 +18,9 @@ jobs:
     name: Windows cpp
     runs-on: windows-latest
     env:
-      XPRESSDIR: ${{ github.workspace }}/xpressmp
-      XPRESS: ${{ github.workspace }}/xpressmp/bin
-      XPAUTH_PATH: ${{ github.workspace }}/xpressmp/bin/xpauth.xpr
+      XPRESSDIR: ${{ github.workspace }}\\xpressmp
+      XPRESS: ${{ github.workspace }}\\xpressmp\\bin
+      XPAUTH_PATH: ${{ github.workspace }}\\xpressmp\\bin\\xpauth.xpr
 
     strategy:
       fail-fast: false
diff --git a/.github/workflows/windows-java-dotnet.yml b/.github/workflows/windows-java-dotnet.yml
index 5b6421805e..6b78d77057 100644
--- a/.github/workflows/windows-java-dotnet.yml
+++ b/.github/workflows/windows-java-dotnet.yml
@@ -18,9 +18,9 @@ jobs:
     name: Windows java and dotnet
     runs-on: windows-latest
     env:
-      XPRESSDIR: ${{ github.workspace }}/xpressmp
-      XPRESS: ${{ github.workspace }}/xpressmp/bin
-      XPAUTH_PATH: ${{ github.workspace }}/xpressmp/bin/xpauth.xpr
+      XPRESSDIR: ${{ github.workspace }}\\xpressmp
+      XPRESS: ${{ github.workspace }}\\xpressmp\\bin
+      XPAUTH_PATH: ${{ github.workspace }}\\xpressmp\\bin\\xpauth.xpr
     strategy:
       fail-fast: false
     steps:
diff --git a/.github/workflows/windows-python.yml b/.github/workflows/windows-python.yml
index bd25ae69a4..e8a00493ec 100644
--- a/.github/workflows/windows-python.yml
+++ b/.github/workflows/windows-python.yml
@@ -18,9 +18,9 @@ jobs:
     name: Windows python ${{ matrix.python.version }}
     runs-on: windows-latest
     env:
-      XPRESSDIR: ${{ github.workspace }}/xpressmp
-      XPRESS: ${{ github.workspace }}/xpressmp/bin
-      XPAUTH_PATH: ${{ github.workspace }}/xpressmp/bin/xpauth.xpr
+      XPRESSDIR: ${{ github.workspace }}\\xpressmp
+      XPRESS: ${{ github.workspace }}\\xpressmp\\bin
+      XPAUTH_PATH: ${{ github.workspace }}\\xpressmp\\bin\\xpauth.xpr
     strategy:
       fail-fast: false
       matrix: