diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index faf23c7..e9c735b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,8 @@ jobs:
         with:
           python-version: "3.13"
       - name: Install dependencies
-        run: pip install hatch
+        # renovate: datasource=pypi depName=hatch
+        run: pip install hatch==1.18.0
       - name: Build wheel (used by e2e tests via PIP_FIND_LINKS)
         run: hatch build --target wheel
       - name: Run tests
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9f1881b..b91085f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -14,7 +14,8 @@ jobs:
         with:
           python-version: "3.13"
       - name: Install pip package(s)
-        run: pip install hatch
+        # renovate: datasource=pypi depName=hatch
+        run: pip install hatch==1.18.0
       - name: Run black formatter check
         run: hatch run dev:black --check --verbose src tests
       - name: Run flake8 linter