diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 03143d3e5b..653d6a10c4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.12', '3.13', '3.14']
+        python-version: ['3.12', '3.13', '3.14', '3.15']
         dependency-set: ["minimal", "optional"]
         os: ["ubuntu-latest"]
         include:
@@ -59,6 +59,7 @@ jobs:
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
         cache: 'pip'
     - name: Install Hatch
       uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
@@ -108,6 +109,7 @@ jobs:
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: ${{ matrix.python-version }}
+        allow-prereleases: true
         cache: 'pip'
     - name: Install Hatch
       uses: pypa/hatch@257e27e51a6a5616ed08a39a408a21c35c9931bc
diff --git a/.github/workflows/zarr-metadata.yml b/.github/workflows/zarr-metadata.yml
index 1ff0786118..37503586f4 100644
--- a/.github/workflows/zarr-metadata.yml
+++ b/.github/workflows/zarr-metadata.yml
@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.15']
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: