diff --git a/.changelog/_unreleased.toml b/.changelog/_unreleased.toml
new file mode 100644
index 00000000..cee1e924
--- /dev/null
+++ b/.changelog/_unreleased.toml
@@ -0,0 +1,5 @@
+[[entries]]
+id = "d8ada304-d3fe-43f0-b4fa-7d655949cdbc"
+type = "improvement"
+description = "Always run `uv sync`"
+author = "thomas.pellissier-tanon@helsing.ai"
diff --git a/kraken-build/src/kraken/std/python/buildsystem/uv.py b/kraken-build/src/kraken/std/python/buildsystem/uv.py
index 4c5a5ce5..8c510681 100644
--- a/kraken-build/src/kraken/std/python/buildsystem/uv.py
+++ b/kraken-build/src/kraken/std/python/buildsystem/uv.py
@@ -301,3 +301,6 @@ def install(self, settings: PythonSettings) -> None:
         unsafe_command = [self.uv_bin, "sync"] + indexes.to_unsafe_args()
         logger.info("Running %s in '%s'", safe_command, self.project_directory)
         sp.check_call(unsafe_command, cwd=self.project_directory)
+
+    def always_install(self) -> bool:
+        return True