diff --git a/Protobuf.JSON-tmLanguage b/Protobuf.JSON-tmLanguage
index 9fffbd1..8956cf5 100644
--- a/Protobuf.JSON-tmLanguage
+++ b/Protobuf.JSON-tmLanguage
@@ -22,7 +22,7 @@
       "match": "\\b(double|float|int32|int64|uint32|uint64|sint32|sint64|fixed32|fixed64|sfixed32|sfixed64|bool|string|bytes)\\b"
     },
     "enum": {
-      "begin": "(enum)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)",
+      "begin": "(enum)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)?",
       "beginCaptures": {
         "1": { "name": "keyword.source.proto" },
         "3": { "name": "entity.name.class.proto" }
@@ -45,7 +45,7 @@
       ]
     },
     "message": {
-      "begin": "(message|extend)(\\s+)([A-Za-z][A-Za-z0-9_.]*)(\\s*)(\\{)",
+      "begin": "(message|extend)(\\s+)([A-Za-z][A-Za-z0-9_.]*)(\\s*)(\\{)?",
       "beginCaptures": {
         "1": { "name": "keyword.source.proto" },
         "3": { "name": "entity.name.class.proto" }
@@ -124,7 +124,7 @@
       "name": "string.quoted.double.proto"
     },
     "oneof": {
-      "begin": "(oneof)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)",
+      "begin": "(oneof)(\\s+)([A-Za-z][A-Za-z0-9_]*)(\\s*)(\\{)?",
       "beginCaptures": {
         "1": {
           "name": "keyword.source.proto"
diff --git a/Protobuf.YAML-tmLanguage b/Protobuf.YAML-tmLanguage
index be0f8bd..4c8e2e6 100644
--- a/Protobuf.YAML-tmLanguage
+++ b/Protobuf.YAML-tmLanguage
@@ -41,7 +41,7 @@ repository:
     match: \b(true|false|max)\b
 
   enum:
-    begin: (enum)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)
+    begin: (enum)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)?
     beginCaptures:
       '1': {name: keyword.source.proto}
       '3': {name: entity.name.class.proto}
@@ -57,7 +57,7 @@ repository:
         '5': {name: constant.numeric.proto}
 
   message:
-    begin: (message|extend)(\s+)([A-Za-z][A-Za-z0-9_.]*)(\s*)(\{)
+    begin: (message|extend)(\s+)([A-Za-z][A-Za-z0-9_.]*)(\s*)(\{)?
     beginCaptures:
       '1': {name: keyword.source.proto}
       '3': {name: entity.name.class.proto}
@@ -88,7 +88,7 @@ repository:
         - include: '#constants'
 
   oneof:
-    begin: (oneof)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)
+    begin: (oneof)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)?
     beginCaptures:
       '1': {name: keyword.source.proto}
     end: \}
diff --git a/Protobuf.tmLanguage b/Protobuf.tmLanguage
index d95f966..f5a09b0 100644
--- a/Protobuf.tmLanguage
+++ b/Protobuf.tmLanguage
@@ -87,7 +87,7 @@
 		<key>enum</key>
 		<dict>
 			<key>begin</key>
-			<string>(enum)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)</string>
+			<string>(enum)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)?</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>1</key>
@@ -141,7 +141,7 @@
 		<key>message</key>
 		<dict>
 			<key>begin</key>
-			<string>(message|extend)(\s+)([A-Za-z][A-Za-z0-9_.]*)(\s*)(\{)</string>
+			<string>(message|extend)(\s+)([A-Za-z][A-Za-z0-9_.]*)(\s*)(\{)?</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>1</key>
@@ -248,7 +248,7 @@
 		<key>oneof</key>
 		<dict>
 			<key>begin</key>
-			<string>(oneof)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)</string>
+			<string>(oneof)(\s+)([A-Za-z][A-Za-z0-9_]*)(\s*)(\{)?</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>1</key>