diff --git a/commitizen/bump.py b/commitizen/bump.py
index d9fcbc1564..bb80e2ba6a 100644
--- a/commitizen/bump.py
+++ b/commitizen/bump.py
@@ -1,5 +1,5 @@
 import re
-from collections import defaultdict
+from collections import OrderedDict
 from itertools import zip_longest
 from string import Template
 from typing import List, Optional, Union
@@ -18,28 +18,36 @@
 
 
 def find_increment(
-    commits: List[GitCommit], regex: str = bump_pattern, increments_map: dict = bump_map
+    commits: List[GitCommit],
+    regex: str = bump_pattern,
+    increments_map: Union[dict, OrderedDict] = bump_map,
 ) -> Optional[str]:
 
+    if isinstance(increments_map, dict):
+        increments_map = OrderedDict(increments_map)
+
     # Most important cases are major and minor.
     # Everything else will be considered patch.
-    increments_map_default = defaultdict(lambda: None, increments_map)
-    pattern = re.compile(regex)
+    select_pattern = re.compile(regex)
     increment = None
 
     for commit in commits:
         for message in commit.message.split("\n"):
-            result = pattern.search(message)
-            if not result:
-                continue
-            found_keyword = result.group(0)
-            new_increment = increments_map_default[found_keyword]
-            if increment == "MAJOR":
-                continue
-            elif increment == "MINOR" and new_increment == "MAJOR":
-                increment = new_increment
-            elif increment == "PATCH" or increment is None:
-                increment = new_increment
+            result = select_pattern.search(message)
+            if result:
+                found_keyword = result.group(0)
+                new_increment = None
+                for match_pattern in increments_map.keys():
+                    if re.match(match_pattern, found_keyword):
+                        new_increment = increments_map[match_pattern]
+                        break
+
+                if increment == "MAJOR":
+                    continue
+                elif increment == "MINOR" and new_increment == "MAJOR":
+                    increment = new_increment
+                elif increment == "PATCH" or increment is None:
+                    increment = new_increment
 
     return increment
 
diff --git a/commitizen/defaults.py b/commitizen/defaults.py
index 0dfee12246..e38ef01bf0 100644
--- a/commitizen/defaults.py
+++ b/commitizen/defaults.py
@@ -1,10 +1,12 @@
+from collections import OrderedDict
+
 name: str = "cz_conventional_commits"
 # TODO: .cz, setup.cfg, .cz.cfg should be removed in 2.0
 long_term_support_config_files: list = ["pyproject.toml", ".cz.toml"]
 deprcated_config_files: list = [".cz", "setup.cfg", ".cz.cfg"]
 config_files: list = long_term_support_config_files + deprcated_config_files
 
-DEFAULT_SETTINGS = {
+DEFAULT_SETTINGS: dict = {
     "name": "cz_conventional_commits",
     "version": None,
     "version_files": [],
@@ -16,12 +18,15 @@
 MINOR = "MINOR"
 PATCH = "PATCH"
 
-bump_pattern = r"^(BREAKING CHANGE|feat|fix|refactor|perf)"
-bump_map = {
-    "BREAKING CHANGE": MAJOR,
-    "feat": MINOR,
-    "fix": PATCH,
-    "refactor": PATCH,
-    "perf": PATCH,
-}
+bump_pattern = r"^(BREAKING[\-\ ]CHANGE|feat|fix|refactor|perf)(\(.+\))?(!)?"
+bump_map = OrderedDict(
+    (
+        (r"^.+!$", MAJOR),
+        (r"^BREAKING[\-\ ]CHANGE", MAJOR),
+        (r"^feat", MINOR),
+        (r"^fix", PATCH),
+        (r"^refactor", PATCH),
+        (r"^perf", PATCH),
+    )
+)
 bump_message = "bump: version $current_version → $new_version"
diff --git a/tests/test_bump_find_increment.py b/tests/test_bump_find_increment.py
index 5930be078f..1f98694a2b 100644
--- a/tests/test_bump_find_increment.py
+++ b/tests/test_bump_find_increment.py
@@ -20,13 +20,26 @@
     "fix(setup.py): future is now required for every python version",
 ]
 
-MAJOR_INCREMENTS_CC = [
+MAJOR_INCREMENTS_BREAKING_CHANGE_CC = [
     "feat(cli): added version",
     "docs(README): motivation",
     "BREAKING CHANGE: `extends` key in config file is now used for extending other config files",  # noqa
     "fix(setup.py): future is now required for every python version",
 ]
 
+MAJOR_INCREMENTS_BREAKING_CHANGE_ALT_CC = [
+    "feat(cli): added version",
+    "docs(README): motivation",
+    "BREAKING-CHANGE: `extends` key in config file is now used for extending other config files",  # noqa
+    "fix(setup.py): future is now required for every python version",
+]
+
+MAJOR_INCREMENTS_EXCLAMATION_CC = [
+    "feat(cli)!: added version",
+    "docs(README): motivation",
+    "fix(setup.py): future is now required for every python version",
+]
+
 PATCH_INCREMENTS_SVE = ["readme motivation PATCH", "fix setup.py PATCH"]
 
 MINOR_INCREMENTS_SVE = [
@@ -51,7 +64,9 @@
     (
         (PATCH_INCREMENTS_CC, "PATCH"),
         (MINOR_INCREMENTS_CC, "MINOR"),
-        (MAJOR_INCREMENTS_CC, "MAJOR"),
+        (MAJOR_INCREMENTS_BREAKING_CHANGE_CC, "MAJOR"),
+        (MAJOR_INCREMENTS_BREAKING_CHANGE_ALT_CC, "MAJOR"),
+        (MAJOR_INCREMENTS_EXCLAMATION_CC, "MAJOR"),
         (NONE_INCREMENT_CC, None),
     ),
 )