diff --git a/CHANGELOG.md b/CHANGELOG.md
index e56b306..dd79370 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,13 @@
 # Changelog for https://github.com/mbarkhau/pycalver
 
 
-## BumpVer 2020.1105-beta
+## BumpVer 2020.1104-beta
 
 - Fix [gitlab#13][gitlab_i13]: Add `--set-version=<VERSION>` to explicitly set version.
+- Fix [gitlab#14][gitlab_i14]: Parse `tool.bumpver` when using pyproject.toml as per PEP 518.
 
-[gitlab_i13]:https://gitlab.com/mbarkhau/pycalver/-/issues/13
+[gitlab_i13]: https://gitlab.com/mbarkhau/pycalver/-/issues/13
+[gitlab_i14]: https://gitlab.com/mbarkhau/pycalver/-/issues/14
 
 
 ## BumpVer 2020.1100-beta
diff --git a/src/bumpver/config.py b/src/bumpver/config.py
index 69ad6c6..52591e0 100644
--- a/src/bumpver/config.py
+++ b/src/bumpver/config.py
@@ -213,7 +213,9 @@ def _parse_toml(cfg_buffer: typ.IO[str]) -> RawConfig:
     raw_full_cfg: typ.Any = toml.load(cfg_buffer)
     raw_cfg     : RawConfig
 
-    if 'bumpver' in raw_full_cfg:
+    if 'tool' in raw_full_cfg and 'bumpver' in raw_full_cfg['tool']:
+        raw_cfg = raw_full_cfg['tool']['bumpver']
+    elif 'bumpver' in raw_full_cfg:
         raw_cfg = raw_full_cfg['bumpver']
     elif 'pycalver' in raw_full_cfg:
         raw_cfg = raw_full_cfg['pycalver']
@@ -385,6 +387,8 @@ def _parse_current_version_default_pattern(raw_cfg: RawConfig, raw_cfg_text: str
             is_config_section = True
         elif line.strip() == "[bumpver]":
             is_config_section = True
+        elif line.strip() == "[tool.bumpver]":
+            is_config_section = True
         elif line and line[0] == "[" and line[-1] == "]":
             is_config_section = False
 
@@ -497,7 +501,20 @@ README.md =
 """.lstrip()
 
 
-DEFAULT_TOML_BASE_TMPL = """
+DEFAULT_PYPROJECT_TOML_BASE_TMPL = """
+[tool.bumpver]
+current_version = "{initial_version}"
+version_pattern = "YYYY.BUILD[-TAG]"
+commit_message = "bump version {{old_version}} -> {{new_version}}"
+commit = true
+tag = true
+push = true
+
+[tool.bumpver.file_patterns]
+""".lstrip()
+
+
+DEFAULT_BUMPVER_TOML_BASE_TMPL = """
 [bumpver]
 current_version = "{initial_version}"
 version_pattern = "YYYY.BUILD[-TAG]"
@@ -576,7 +593,10 @@ def default_config(ctx: ProjectContext) -> str:
             "README.md" : DEFAULT_CONFIGPARSER_README_MD_STR,
         }
     elif fmt == 'toml':
-        base_tmpl = DEFAULT_TOML_BASE_TMPL
+        if ctx.config_filepath.name == "pyproject.toml":
+            base_tmpl = DEFAULT_PYPROJECT_TOML_BASE_TMPL
+        else:
+            base_tmpl = DEFAULT_BUMPVER_TOML_BASE_TMPL
 
         default_pattern_strs_by_filename = {
             "pyproject.toml": DEFAULT_TOML_PYPROJECT_STR,
diff --git a/test/fixtures/project_c/pyproject.toml b/test/fixtures/project_c/pyproject.toml
index 95b7f3b..6c6bbe2 100644
--- a/test/fixtures/project_c/pyproject.toml
+++ b/test/fixtures/project_c/pyproject.toml
@@ -1,4 +1,4 @@
-[bumpver]
+[tool.bumpver]
 current_version = "v2017q1.54321"
 version_pattern = "v{year}q{quarter}.{build_no}"
 commit = true
diff --git a/test/test_cli.py b/test/test_cli.py
index 8a8b6b3..9d14602 100644
--- a/test/test_cli.py
+++ b/test/test_cli.py
@@ -299,7 +299,9 @@ def test_novcs_nocfg_init(runner, caplog):
     with pl.Path("bumpver.toml").open(mode="r", encoding="utf-8") as fobj:
         cfg_content = fobj.read()
 
-    base_str = config.DEFAULT_TOML_BASE_TMPL.format(initial_version=config._initial_version())
+    base_str = config.DEFAULT_BUMPVER_TOML_BASE_TMPL.format(
+        initial_version=config._initial_version()
+    )
     assert base_str                          in cfg_content
     assert config.DEFAULT_TOML_README_MD_STR in cfg_content
 
@@ -348,7 +350,9 @@ def test_novcs_pyproject_init(runner, caplog):
     with pl.Path("pyproject.toml").open(mode="r", encoding="utf-8") as fobj:
         cfg_content = fobj.read()
 
-    base_str = config.DEFAULT_TOML_BASE_TMPL.format(initial_version=config._initial_version())
+    base_str = config.DEFAULT_PYPROJECT_TOML_BASE_TMPL.format(
+        initial_version=config._initial_version()
+    )
     assert base_str                          in cfg_content
     assert config.DEFAULT_TOML_README_MD_STR in cfg_content