diff --git a/.github/scripts/requirements-dev.txt b/.github/scripts/requirements-dev.txt
index 6b9d9a4..9db1eaa 100644
--- a/.github/scripts/requirements-dev.txt
+++ b/.github/scripts/requirements-dev.txt
@@ -1,4 +1,5 @@
 cffi>=1.1
+ply>=3.9
 pyyaml
 jsonschema
 docutils
diff --git a/.github/workflows/build-release.yaml b/.github/workflows/build-release.yaml
index 4a695c5..f717738 100644
--- a/.github/workflows/build-release.yaml
+++ b/.github/workflows/build-release.yaml
@@ -13,8 +13,8 @@ on:
         description: 'Release candidate to build (for wheel)'
         default: "0"
       branch:
-        description: 'Branch to build from'
-        default: "master"
+        description: 'Branch or tag to build from (defaults to v<release_version>)'
+        default: ""
       repo:
         description: 'Repository to build from'
         default: "https://github.com/flux-framework/flux-core"
@@ -65,16 +65,18 @@ jobs:
       env:
         FLUX_BRANCH: ${{ inputs.branch }}
         FLUX_REPO: ${{ inputs.repo }}
+        FLUX_RELEASE_VERSION: ${{ inputs.release_version || '0.88.0' }}
       shell: bash
       run: |
-        echo "Flux Repo: ${FLUX_REPO}"
-        echo "Flux Branch: ${FLUX_BRANCH}"
         if [[ "${FLUX_REPO}" == "" ]]; then
             FLUX_REPO="https://github.com/flux-framework/flux-core"
         fi
+        # Match the bindings to the release that libflux was built from
         if [[ "${FLUX_BRANCH}" == "" ]]; then
-            FLUX_BRANCH="master"
+            FLUX_BRANCH="v${FLUX_RELEASE_VERSION}"
         fi
+        echo "Flux Repo: ${FLUX_REPO}"
+        echo "Flux Branch: ${FLUX_BRANCH}"
         git clone -b ${FLUX_BRANCH} ${FLUX_REPO} /tmp/flux-core
         mv /tmp/flux-core/src/bindings/python/flux ./flux
         /opt/conda/envs/build/bin/python3 setup.py sdist
@@ -92,10 +94,11 @@ jobs:
     - name: Test Install
       shell: bash
       run: |
-        PIP_INSTALL="/opt/conda/envs/build/bin/python3 -m pip install"
-        ${PIP_INSTALL} ./dist/*.whl || ${PIP_INSTALL} ./dist/*.whl --break-system-packages
+        # Use a clean environment so the build env cannot mask missing dependencies
+        /opt/conda/envs/build/bin/python3 -m venv /tmp/test-env
+        /tmp/test-env/bin/python3 -m pip install ./dist/*.whl
         cd /tmp
-        /opt/conda/envs/build/bin/python3 -c "import flux, _flux._core, _flux._hostlist, _flux._idset; print(flux.__file__)"
+        /tmp/test-env/bin/python3 -c "import flux, flux.job, _flux._core, _flux._hostlist, _flux._idset; print(flux.__file__)"
 
     - name: Upload Artifacts
       if: success()
diff --git a/pyproject.toml b/pyproject.toml
index 72e80d4..4f30616 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,11 +33,13 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 # Corresponds to install_requires
 dependencies = [
     "cffi>=1.1",
+    "ply>=3.9",
     "pyyaml"
 ]
 
diff --git a/requirements.txt b/requirements.txt
index 0d65176..93c0df3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 cffi>=1.1
+ply>=3.9
 pyyaml