diff --git a/lib/tokenize_rt.py b/lib/tokenize_rt.py
index 9f12e01f..f909ead7 100644
--- a/lib/tokenize_rt.py
+++ b/lib/tokenize_rt.py
@@ -6,11 +6,11 @@ import keyword
 import re
 import sys
 import tokenize
-from typing import Generator
-from typing import Iterable
+from collections.abc import Generator
+from collections.abc import Iterable
+from collections.abc import Sequence
+from re import Pattern
 from typing import NamedTuple
-from typing import Pattern
-from typing import Sequence
 
 # this is a performance hack.  see https://bugs.python.org/issue43014
 if (  # pragma: no branch
@@ -47,6 +47,16 @@ class Token(NamedTuple):
 _string_re = re.compile('^([^\'"]*)(.*)$', re.DOTALL)
 _escaped_nl_re = re.compile(r'\\(\n|\r\n|\r)')
 
+NAMED_UNICODE_RE = re.compile(r'(?<!\\)(?:\\\\)*(\\N\{[^}]+\})')
+
+
+def curly_escape(s: str) -> str:
+    parts = NAMED_UNICODE_RE.split(s)
+    return ''.join(
+        part.replace('{', '{{').replace('}', '}}') if i % 2 == 0 else part
+        for i, part in enumerate(parts)
+    )
+
 
 def _re_partition(regex: Pattern[str], s: str) -> tuple[str, str, str]:
     match = regex.search(s)
@@ -101,8 +111,10 @@ def src_to_tokens(src: str) -> list[Token]:
         tok_name = tokenize.tok_name[tok_type]
 
         if tok_name == 'FSTRING_MIDDLE':  # pragma: >=3.12 cover
-            ecol += tok_text.count('{') + tok_text.count('}')
-            tok_text = tok_text.replace('{', '{{').replace('}', '}}')
+            if '{' in tok_text or '}' in tok_text:
+                new_tok_text = curly_escape(tok_text)
+                ecol += len(new_tok_text) - len(tok_text)
+                tok_text = new_tok_text
 
         tokens.append(Token(tok_name, tok_text, sline, end_offset))
         last_line, last_col = eline, ecol
diff --git a/requirements.txt b/requirements.txt
index e91d999f..01bdd50d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ rumps==0.4.0; platform_system == "Darwin"
 simplejson==3.19.3
 six==1.16.0
 tempora==5.7.0
-tokenize-rt==6.0.0
+tokenize-rt==6.1.0
 tzdata==2024.2
 tzlocal==5.0.1
 urllib3<2