diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 30e9df8..dddec3c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -6,6 +6,8 @@ updates:
       interval: "weekly"
     cooldown:
       default-days: 7
+    ignore:
+      - dependency-name: "calysto/maintainer_tools"
     groups:
       actions:
         patterns:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 000fb26..2014135 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -61,7 +61,9 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - uses: hynek/build-and-inspect-python-package@fe0a0fb1925ca263d076ca4f2c13e93a6e92a33e # v2.17.0
+      - uses: hynek/build-and-inspect-python-package@d44ca7d91762de7a7d5436ddae667c6da6d1c3df # v2.18.0
+        with:
+          include-free-threaded: "true"
 
   publish:
     needs: [release, build-package]
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5494ab3..11a0d29 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,8 +24,10 @@ jobs:
       - uses: actions/checkout@v6
         with:
           persist-credentials: false
-      - uses: hynek/build-and-inspect-python-package@fe0a0fb1925ca263d076ca4f2c13e93a6e92a33e  # v2.17.0
+      - uses: hynek/build-and-inspect-python-package@d44ca7d91762de7a7d5436ddae667c6da6d1c3df  # v2.18.0
         id: baipp
+        with:
+          include-free-threaded: "true"
 
   test:
     name: Test (Python ${{ matrix.python-version }})
diff --git a/pyproject.toml b/pyproject.toml
index 5341606..ce07da3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,6 +14,8 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
+    "Programming Language :: Python :: Free Threading :: 3 - Stable",
     "Framework :: IPython",
     "Topic :: System :: Shells",
 ]