diff --git a/.github/workflows/build_windows_macos.yml b/.github/workflows/build_windows_macos.yml
index 4b9d38cdb..84ae64eb2 100644
--- a/.github/workflows/build_windows_macos.yml
+++ b/.github/workflows/build_windows_macos.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: 'windows-latest'
     strategy:
       matrix:
-        python-version: ['3.14']
+        python-version: ['3.15']
 
     outputs:
       hashes: ${{ steps.hash.outputs.hashes }}
@@ -162,7 +162,7 @@ jobs:
     runs-on: 'macos-latest'
     strategy:
       matrix:
-        python-version: ['3.13']
+        python-version: ['3.15']
 
     permissions:
       contents: write
@@ -255,7 +255,7 @@ jobs:
     runs-on: 'ubuntu-22.04'  # Use a consistent Linux environment for building the AppImage
     strategy:
       matrix:
-        python-version: ['3.14']
+        python-version: ['3.15']
 
     permissions:
       contents: write
diff --git a/.github/workflows/pylint.yml b/.github/workflows/pylint.yml
index e5223f8f4..1e286073a 100644
--- a/.github/workflows/pylint.yml
+++ b/.github/workflows/pylint.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.14"]
+        python-version: ["3.10", "3.15"]
 
     steps:
     - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/pyright.yml b/.github/workflows/pyright.yml
index eb833d9af..67c8b33b7 100644
--- a/.github/workflows/pyright.yml
+++ b/.github/workflows/pyright.yml
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
         matrix:
-          python-version: ["3.10", "3.14"]
+          python-version: ["3.10", "3.15"]
 
     steps:
       - name: Harden the runner (Audit all outbound calls)
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 25c9d77bb..0c876395e 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -28,7 +28,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.14"]  # to make sure the latest AMC supported python version does not break
+        python-version: ["3.15"]  # to make sure the latest AMC supported python version does not break
         include:
           - os: ubuntu-latest
             python-version: "3.10"  # to make sure the minimum AMC supported python version does not break
@@ -40,6 +40,18 @@ jobs:
         with:
           egress-policy: audit
 
+      - name: Install lxml dependencies (Ubuntu)
+        if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.15'
+        run: sudo apt-get update && sudo apt-get install -y libxml2-dev libxslt-dev
+
+      - name: Install lxml dependencies (macOS)
+        if: matrix.os == 'macos-latest' && matrix.python-version == '3.15'
+        run: |
+          brew install libxml2 libxslt
+          echo "LDFLAGS=-L$(brew --prefix libxml2)/lib -L$(brew --prefix libxslt)/lib" >> $GITHUB_ENV
+          echo "CPPFLAGS=-I$(brew --prefix libxml2)/include -I$(brew --prefix libxslt)/include" >> $GITHUB_ENV
+          echo "PKG_CONFIG_PATH=$(brew --prefix libxml2)/lib/pkgconfig:$(brew --prefix libxslt)/lib/pkgconfig" >> $GITHUB_ENV
+
       - name: Checkout
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
diff --git a/pyproject.toml b/pyproject.toml
index dfe291fec..1ec6455a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Software Development :: Embedded Systems",
     "Topic :: System :: Installation/Setup",
     "Topic :: Scientific/Engineering",