diff --git a/fawltydeps/extract_declared_dependencies.py b/fawltydeps/extract_declared_dependencies.py
index f245b767..b7a7a3f7 100644
--- a/fawltydeps/extract_declared_dependencies.py
+++ b/fawltydeps/extract_declared_dependencies.py
@@ -415,7 +415,11 @@ def parse_pyproject_toml(path: Path) -> Iterator[DeclaredDependency]:
     """
     source = Location(path)
     with path.open("rb") as tomlfile:
-        parsed_contents = tomllib.load(tomlfile)
+        try:
+            parsed_contents = tomllib.load(tomlfile)
+        except tomllib.TOMLDecodeError as e:
+            logger.error(f"Failed to parse {source}: {e}")
+            return
 
     skip = set()
 
@@ -457,7 +461,11 @@ def parse_pixi_toml(path: Path) -> Iterator[DeclaredDependency]:
     """
     source = Location(path)
     with path.open("rb") as tomlfile:
-        parsed_contents = tomllib.load(tomlfile)
+        try:
+            parsed_contents = tomllib.load(tomlfile)
+        except tomllib.TOMLDecodeError as e:
+            logger.error(f"Failed to parse {source}: {e}")
+            return
 
     skip = set()
 
diff --git a/tests/test_extract_declared_dependencies_pixi_toml.py b/tests/test_extract_declared_dependencies_pixi_toml.py
index 5e3cf263..67ca1358 100644
--- a/tests/test_extract_declared_dependencies_pixi_toml.py
+++ b/tests/test_extract_declared_dependencies_pixi_toml.py
@@ -159,6 +159,18 @@ def test_parse_pixi_toml__wellformed_dependencies__yields_dependencies(
     assert result == expected
 
 
+def test_parse_pixi_toml__invalid_toml__yields_no_deps_and_error_message(
+    write_tmp_files, caplog
+):
+    tmp_path = write_tmp_files({"pixi.toml": "[this is not valid toml\n"})
+    path = tmp_path / "pixi.toml"
+
+    caplog.set_level(logging.ERROR)
+    result = list(parse_pixi_toml(path))
+    assert result == []
+    assert f"Failed to parse {path}:" in caplog.text
+
+
 @dataclass
 class PixiTestVector:
     """Test vectors for parsing of malformed pixi.toml."""
diff --git a/tests/test_extract_declared_dependencies_pyproject_toml.py b/tests/test_extract_declared_dependencies_pyproject_toml.py
index cfe108b7..2dd083ac 100644
--- a/tests/test_extract_declared_dependencies_pyproject_toml.py
+++ b/tests/test_extract_declared_dependencies_pyproject_toml.py
@@ -353,6 +353,18 @@ def test_parse_pyproject_toml__wellformed_dependencies__yields_dependencies(
     assert result == expected
 
 
+def test_parse_pyproject_toml__invalid_toml__yields_no_deps_and_error_message(
+    write_tmp_files, caplog
+):
+    tmp_path = write_tmp_files({"pyproject.toml": "[this is not valid toml\n"})
+    path = tmp_path / "pyproject.toml"
+
+    caplog.set_level(logging.ERROR)
+    result = list(parse_pyproject_toml(path))
+    assert result == []
+    assert f"Failed to parse {path}:" in caplog.text
+
+
 @dataclass
 class PyprojectTestVector:
     """Test vectors for parsing of malformed pyproject.toml."""