diff --git a/.github/workflows/flax_test.yml b/.github/workflows/flax_test.yml
index af6a285c6..58f99a0a7 100644
--- a/.github/workflows/flax_test.yml
+++ b/.github/workflows/flax_test.yml
@@ -76,8 +76,6 @@ jobs:
     - name: Install standalone dependencies only
       run: |
         uv sync
-        # temporary: install jax nightly
-        uv pip install -U --pre jax jaxlib -i https://us-python.pkg.dev/ml-oss-artifacts-published/jax/simple/
     - name: Test importing Flax
       run: |
         uv run --no-sync python -c "import flax"
@@ -125,21 +123,13 @@ jobs:
         if [[ "${{ matrix.test-type }}" == "doctest" ]]; then
           # TODO(cgarciae): Remove this once dm-haiku 0.0.14 is released
           uv pip install -U git+https://github.com/google-deepmind/dm-haiku.git
-          # temporary: install jax nightly
-          uv pip install -U --pre jax jaxlib -i https://us-python.pkg.dev/ml-oss-artifacts-published/jax/simple/
           uv run --no-sync tests/run_all_tests.sh --only-doctest
         elif [[ "${{ matrix.test-type }}" == "pytest" ]]; then
           uv pip install -U tensorflow-datasets
-          # temporary: install jax nightly
-          uv pip install -U --pre jax jaxlib -i https://us-python.pkg.dev/ml-oss-artifacts-published/jax/simple/
           uv run --no-sync tests/run_all_tests.sh --only-pytest
         elif [[ "${{ matrix.test-type }}" == "pytype" ]]; then
-          # temporary: install jax nightly
-          uv pip install -U --pre jax jaxlib -i https://us-python.pkg.dev/ml-oss-artifacts-published/jax/simple/
           uv run --no-sync tests/run_all_tests.sh --only-pytype
         elif [[ "${{ matrix.test-type }}" == "mypy" ]]; then
-          # temporary: install jax nightly
-          uv pip install -U --pre jax jaxlib -i https://us-python.pkg.dev/ml-oss-artifacts-published/jax/simple/
           uv run --no-sync tests/run_all_tests.sh --only-mypy
         else
           echo "Unknown test type: ${{ matrix.test-type }}"
diff --git a/pyproject.toml b/pyproject.toml
index ebf5dcd90..56596a540 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dependencies = [
     "numpy>=1.23.2; python_version>='3.11'",
     "numpy>=1.26.0; python_version>='3.12'",
     # keep in sync with jax-version in .github/workflows/build.yml
-    "jax>=0.7.1",
+    "jax>=0.8.1",
     "msgpack",
     "optax",
     "orbax-checkpoint",