diff --git a/vibetuner-template/.justfiles/linting.justfile b/vibetuner-template/.justfiles/linting.justfile
index d9c6c019..099998c7 100644
--- a/vibetuner-template/.justfiles/linting.justfile
+++ b/vibetuner-template/.justfiles/linting.justfile
@@ -26,7 +26,7 @@ lint-yaml:
 # Lint PO translation files with lint-po
 [group('Code quality: linting')]
 lint-po:
-    @bash -c 'shopt -s nullglob; files=(locales/*/LC_MESSAGES/*.po); if (( ${#files[@]} )); then uvx lint-po "${files[@]}"; else echo "No .po files to lint"; fi'
+    @bash -c 'shopt -s nullglob; files=(locales/*/LC_MESSAGES/*.po); if (( ${#files[@]} )); then uv run --frozen lint-po "${files[@]}"; else echo "No .po files to lint"; fi'
 
 # Type check Python files with ty
 [group('Code quality: linting')]
diff --git a/vibetuner-template/.pre-commit-config.yaml b/vibetuner-template/.pre-commit-config.yaml
index 14c358be..7ad4d570 100644
--- a/vibetuner-template/.pre-commit-config.yaml
+++ b/vibetuner-template/.pre-commit-config.yaml
@@ -58,6 +58,6 @@ repos:
     hooks:
       - id: lint-po
         name: lint-po
-        entry: uvx lint-po
+        entry: uv run --frozen lint-po
         language: system
         files: \.po$
diff --git a/vibetuner-template/pyproject.toml.j2 b/vibetuner-template/pyproject.toml.j2
index 0cc52789..3095ba8d 100644
--- a/vibetuner-template/pyproject.toml.j2
+++ b/vibetuner-template/pyproject.toml.j2
@@ -25,6 +25,7 @@ vibetuner = "vibetuner.cli:app"
 [dependency-groups]
 dev = [
   "vibetuner[dev]",
+  "lint-po",
 ]
 
 [build-system]
@@ -38,6 +39,10 @@ testpaths = ["tests"]
 [tool.uv]
 cache-keys = [{ file = "pyproject.toml" }]
 
+[tool.uv.sources]
+# Pin to upstream master until himdel/lint-po cuts a PyPI release
+# that includes gettext plural-form support (PRs #3 and #4).
+lint-po = { git = "https://github.com/himdel/lint-po", rev = "efadbcaa50f84135ee4f16efa44d99d2662a74b4" }
+
 # To develop against a local copy of vibetuner-py, add:
-# [tool.uv.sources]
 # vibetuner = { path = "packages/vibetuner-py", editable = true }