diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index a0008bc..ab567eb 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -91,7 +91,9 @@ jobs:
           manylinux: 2_28
           rustup-components: rust-std rustfmt
           sccache: 'true'
-          args: --release --strip --out dist -i python3.10 python3.11 python3.12 python3.13
+          # abi3 (see Cargo.toml) produces one wheel for all CPython >= 3.10,
+          # so a single interpreter is enough to build it.
+          args: --release --strip --out dist -i python3.10
 
       - uses: actions/upload-artifact@v6
         with:
@@ -113,7 +115,9 @@ jobs:
           manylinux: 2_28
           rustup-components: rust-std rustfmt
           sccache: 'true'
-          args: --release --strip --out dist -i python3.10 python3.11 python3.12 python3.13
+          # abi3 (see Cargo.toml) produces one wheel for all CPython >= 3.10,
+          # so a single interpreter is enough to build it.
+          args: --release --strip --out dist -i python3.10
 
       - uses: actions/upload-artifact@v6
         with:
@@ -191,6 +195,10 @@ jobs:
   upload-to-pypi:
     needs: verify-built-dist
     runs-on: ubuntu-latest
+    # Only publish for real releases. `workflow_dispatch` runs build and
+    # verify the wheels (uploaded as artifacts) without pushing to PyPI, so
+    # the workflow can be exercised manually without cutting a release.
+    if: github.event_name == 'release'
     steps:
       - uses: actions/download-artifact@v6
         with:
diff --git a/Cargo.lock b/Cargo.lock
index 8b58e75..21dfa95 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3375,7 +3375,7 @@ checksum = "ea2f10b9bb0928dfb1b42b65e1f9e36f7f54dbdf08457afefb38afcdec4fa2bb"
 
 [[package]]
 name = "xarray_sql"
-version = "0.2.3"
+version = "0.3.0"
 dependencies = [
  "arrow",
  "async-stream",
diff --git a/Cargo.toml b/Cargo.toml
index 1dc95bd..e708379 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,11 @@ async-trait = "0.1"
 datafusion = { version = "52.0.0" }
 datafusion-ffi = { version = "52.0.0" }
 futures = { version = "0.3" }
-pyo3 = { version = "0.26.0", features = ["extension-module"] }
+# `abi3-py310` builds against CPython's stable ABI, so a single wheel per
+# platform works on all CPython >= 3.10 (matching `requires-python`). This
+# lets the release workflow ship pre-built wheels for every interpreter
+# without compiling per-version, avoiding local rebuilds on install.
+pyo3 = { version = "0.26.0", features = ["extension-module", "abi3-py310"] }
 tokio = { version = "1.46.1", features = ["rt"] }