diff --git a/.github/actions/dependencies/action.yml b/.github/actions/dependencies/action.yml
index 24d293a3..03953a12 100644
--- a/.github/actions/dependencies/action.yml
+++ b/.github/actions/dependencies/action.yml
@@ -11,7 +11,6 @@ runs:
   using: "composite"
   steps:
     - run: |
-        test "${RUNNER_ARCH}" = "X64" && module use /cvmfs/dev.eessi.io/espresso/versions/2023.06/software/linux/x86_64/amd/zen2/modules/all
         module load ${{ inputs.modules }}
         module save pymbe
         python3 -m venv --system-site-packages venv
@@ -22,5 +21,5 @@ runs:
         python3 -m pip install -r requirements.txt
         git checkout requirements.txt
         deactivate
-        module purge
+        module --force purge
       shell: bash
diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index 563af5c1..2673c431 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -9,7 +9,7 @@ permissions:
 
 jobs:
   ubuntu:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     env:
       FI_PROVIDER: "^psm3,psm3;ofi_rxd"
       OMPI_MCA_mtl_ofi_provider_exclude: psm3
@@ -18,28 +18,30 @@ jobs:
       matrix:
         espresso:
           - version: "4.2.2"
-            eessi: ESPResSo/4.2.2-foss-2023a
+            eessi_modules: ESPResSo/4.2.2-foss-2023b
+            eessi_stack_version: "2023.06"
             upload_artifact: true
-          - version: "5.0-dev"
-            eessi: ESPResSo/dc87ede3f6c218bb71624460752bc8c26a271c33-foss-2023b
+          - version: "5.0.1"
+            eessi_modules: ESPResSo/5.0.1-foss-2025a
+            eessi_stack_version: "2025.06"
             upload_artifact: false
     name: ubuntu - ESPResSo ${{ matrix.espresso.version }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@main
       - name: Validate CITATION.cff
-        uses: dieghernan/cff-validator@v3
+        uses: dieghernan/cff-validator@v5
         with:
           install-r: true # Ensure R is explicitly installed
       - name: Setup EESSI
         uses: eessi/github-action-eessi@v3
         with:
-          eessi_stack_version: "2023.06"
+          eessi_stack_version: ${{ matrix.espresso.eessi_stack_version }}
       - name: Install dependencies
         uses: ./.github/actions/dependencies
         with:
           modules: |-
-            ${{ matrix.espresso.eessi }}
+            ${{ matrix.espresso.eessi_modules }}
           extra-python-packages: |-
             pdoc==15.0.3
             pylint==3.0.3
@@ -57,7 +59,7 @@ jobs:
         shell: bash
       - name: Upload artifact
         if: ${{ matrix.espresso.upload_artifact }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           path: "./documentation"
           name: documentation
@@ -65,9 +67,9 @@ jobs:
           if-no-files-found: error
       - name: Upload coverage to Codecov
         if: ${{ github.repository == 'pyMBE-dev/pyMBE' }}
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v7
         with:
-          file: "./coverage.xml"
+          files: "./coverage.xml"
           disable_search: true
           env_vars: OS,PYTHON
           fail_ci_if_error: false
diff --git a/testsuite/CTestTestfile.cmake b/testsuite/CTestTestfile.cmake
index aa66fb39..7cf6affc 100644
--- a/testsuite/CTestTestfile.cmake
+++ b/testsuite/CTestTestfile.cmake
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2024 pyMBE-dev team
+# Copyright (C) 2024-2026 pyMBE-dev team
 #
 # This file is part of pyMBE.
 #
@@ -18,7 +18,7 @@
 #
 
 cmake_minimum_required(VERSION 3.22.1)
-find_package(Python 3.8 REQUIRED COMPONENTS Interpreter NumPy)
+find_package(Python 3.8 REQUIRED COMPONENTS Interpreter)
 
 file(REAL_PATH "CTestTestfile.cmake" CMAKE_CURRENT_SOURCE_FILE)
 cmake_path(GET CMAKE_CURRENT_SOURCE_FILE PARENT_PATH CMAKE_CURRENT_SOURCE_DIR)