diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 625e3b9c95..8f0b5f7861 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -21,6 +21,7 @@ on:
   push:
     branches:
       - main
+      - python3.14
   # run the test only if the PR is to main
   # turn it on if required
   #pull_request:
@@ -40,7 +41,7 @@ jobs:
     if: github.repository == 'ESMValGroup/ESMValCore'  # avoid GAs in forks
     strategy:
       matrix:
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
       fail-fast: false
     name: Linux Python ${{ matrix.python-version }}
     steps:
@@ -77,7 +78,7 @@ jobs:
     if: github.repository == 'ESMValGroup/ESMValCore'  # avoid GAs in forks
     strategy:
       matrix:
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
         architecture: ["x64"]  # need to force Intel, arm64 builds have issues
       fail-fast: false
     name: OSX Python ${{ matrix.python-version }}