diff --git a/detect_secrets/core/secrets_collection.py b/detect_secrets/core/secrets_collection.py
index 3949078a6..eaea44432 100644
--- a/detect_secrets/core/secrets_collection.py
+++ b/detect_secrets/core/secrets_collection.py
@@ -325,7 +325,11 @@ def json(self):
         return output
 
     def __str__(self):  # pragma: no cover
-        return json.dumps(self.json(), indent=2)
+        return json.dumps(
+            self.json(),
+            indent=2,
+            sort_keys=True
+        )
 
     def __getitem__(self, key):  # pragma: no cover
         return self.data[key]
diff --git a/detect_secrets/main.py b/detect_secrets/main.py
index dfe05d9fd..9704a11ac 100644
--- a/detect_secrets/main.py
+++ b/detect_secrets/main.py
@@ -38,6 +38,7 @@ def main(argv=None):
                     args.scan
                 ).format_for_baseline_output(),
                 indent=2,
+                sort_keys=True
             )
         )
 
diff --git a/detect_secrets/pre_commit_hook.py b/detect_secrets/pre_commit_hook.py
index e6093d9b2..16c30c6ee 100644
--- a/detect_secrets/pre_commit_hook.py
+++ b/detect_secrets/pre_commit_hook.py
@@ -58,6 +58,7 @@ def main(argv=None):
                 json.dumps(
                     baseline_collection.format_for_baseline_output(),
                     indent=2,
+                    sort_keys=True
                 )
             )
 
diff --git a/tests/pre_commit_hook_test.py b/tests/pre_commit_hook_test.py
index 982e13618..ee126d975 100644
--- a/tests/pre_commit_hook_test.py
+++ b/tests/pre_commit_hook_test.py
@@ -166,4 +166,8 @@ def _create_baseline():
             },
         }
 
-        return json.dumps(baseline, indent=2)
+        return json.dumps(
+            baseline,
+            indent=2,
+            sort_keys=True
+        )