diff --git a/.github/workflows/full_test.yml b/.github/workflows/full_test.yml
index 4776c572b..e38a268ad 100644
--- a/.github/workflows/full_test.yml
+++ b/.github/workflows/full_test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.13"]
+        python-version: ["3.10", "3.14"]
 
     steps:
       - uses: actions/checkout@v4
@@ -27,6 +27,12 @@ jobs:
           python-version: ${{ matrix.python-version }}
           enable-cache: true
 
+        # necessary to build pyogrio from source
+      - name: Install system dependencies (GDAL + tools)
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gdal-bin libgdal-dev pkg-config
+
       - name: Install dependencies
         run: uv sync --group test --no-dev
 
diff --git a/pyproject.toml b/pyproject.toml
index 3cd3b1368..398d63cdc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Scientific/Engineering",
 ]