diff --git a/src/griffe/git.py b/src/griffe/git.py
index 84f213f8..3e88102c 100644
--- a/src/griffe/git.py
+++ b/src/griffe/git.py
@@ -57,6 +57,7 @@ def _get_latest_tag(path: str | Path) -> str:
         text=True,
         stdout=subprocess.PIPE,
         stderr=subprocess.STDOUT,
+        check=False,
     )
     output = process.stdout.strip()
     if process.returncode != 0 or not output:
@@ -99,6 +100,7 @@ def _tmp_worktree(repo: str | Path = ".", ref: str = "HEAD") -> Iterator[Path]:
         process = subprocess.run(
             ["git", "-C", repo, "worktree", "add", "-b", branch, location, ref],
             capture_output=True,
+            check=False,
         )
         if process.returncode:
             raise RuntimeError(f"Could not create git worktree: {process.stderr.decode()}")
@@ -106,9 +108,9 @@ def _tmp_worktree(repo: str | Path = ".", ref: str = "HEAD") -> Iterator[Path]:
         try:
             yield Path(location)
         finally:
-            subprocess.run(["git", "-C", repo, "worktree", "remove", branch], stdout=subprocess.DEVNULL)
-            subprocess.run(["git", "-C", repo, "worktree", "prune"], stdout=subprocess.DEVNULL)
-            subprocess.run(["git", "-C", repo, "branch", "-D", branch], stdout=subprocess.DEVNULL)
+            subprocess.run(["git", "-C", repo, "worktree", "remove", branch], stdout=subprocess.DEVNULL, check=False)
+            subprocess.run(["git", "-C", repo, "worktree", "prune"], stdout=subprocess.DEVNULL, check=False)
+            subprocess.run(["git", "-C", repo, "branch", "-D", branch], stdout=subprocess.DEVNULL, check=False)
 
 
 def load_git(
diff --git a/tests/test_git.py b/tests/test_git.py
index d83b3223..528c1043 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -59,15 +59,15 @@ def git_repo(tmp_path: Path) -> Path:
     """
     repo_path = tmp_path / REPO_NAME
     repo_path.mkdir()
-    run(["git", "-C", str(repo_path), "init"])
-    run(["git", "-C", str(repo_path), "config", "user.name", "Name"])
-    run(["git", "-C", str(repo_path), "config", "user.email", "my@email.com"])
+    run(["git", "-C", str(repo_path), "init"], check=True)
+    run(["git", "-C", str(repo_path), "config", "user.name", "Name"], check=True)
+    run(["git", "-C", str(repo_path), "config", "user.email", "my@email.com"], check=True)
     for tagdir in REPO_SOURCE.iterdir():
         ver = tagdir.name
         _copy_contents(tagdir, repo_path)
-        run(["git", "-C", str(repo_path), "add", "."])
-        run(["git", "-C", str(repo_path), "commit", "-m", f"feat: {ver} stuff"])
-        run(["git", "-C", str(repo_path), "tag", ver])
+        run(["git", "-C", str(repo_path), "add", "."], check=True)
+        run(["git", "-C", str(repo_path), "commit", "-m", f"feat: {ver} stuff"], check=True)
+        run(["git", "-C", str(repo_path), "tag", ver], check=True)
     return repo_path