diff --git a/setup.cfg b/setup.cfg
index 05f3dda..bd8d5ac 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,10 +29,10 @@ install_requires =
 
 setup_requires = setuptools>=44; setuptools_scm[toml]>=3.4.3
 include_package_data = True
-tests_require = pytest; typeguard; pygments; littleutils
+tests_require = pytest; typeguard; pygments>=2.16.0; littleutils
 
 [options.extras_require]
-tests = pytest; typeguard; pygments; littleutils; cython
+tests = pytest; typeguard; pygments>=2.16.0; littleutils; cython
 
 [coverage:run]
 relative_files = True
diff --git a/tests/golden_files/pygmented.txt b/tests/golden_files/pygmented.txt
index 920dabc..c82f142 100644
--- a/tests/golden_files/pygmented.txt
+++ b/tests/golden_files/pygmented.txt
@@ -1,11 +1,11 @@
 Traceback (most recent call last):
  File "formatter_example.py", line 21, in foo
-       9 | x = 1
-      10 | lst = (
+       9 | x = 1
+      10 | lst = (
       11 |         [
       12 |             x,
 (...)
-      18 |         + []
+      18 |         + []
       19 | )
       20 | try:
 -->   21 |     return int(str(lst))
@@ -19,7 +19,7 @@ Traceback (most recent call last):
       21 |     return int(str(lst))
       22 | except:
       23 |     try:
--->   24 |         return 1 / 0
+-->   24 |         return 1 / 0
       25 |     except Exception as e:
 ZeroDivisionError: division by zero
 
@@ -31,24 +31,24 @@ Traceback (most recent call last):
 -->   30 |     exec("foo()")
  File "<string>", line 1, in <module>
  File "formatter_example.py", line 8, in foo
-       6 | def foo(n=5):
-       7 |     if n > 0:
--->    8 |         return foo(n - 1)
-       9 |     x = 1
+       6 | def foo(n=5):
+       7 |     if n > 0:
+-->    8 |         return foo(n - 1)
+       9 |     x = 1
  File "formatter_example.py", line 8, in foo
-       6 | def foo(n=5):
-       7 |     if n > 0:
--->    8 |         return foo(n - 1)
-       9 |     x = 1
+       6 | def foo(n=5):
+       7 |     if n > 0:
+-->    8 |         return foo(n - 1)
+       9 |     x = 1
     [... skipping similar frames: foo at line 8 (2 times)]
  File "formatter_example.py", line 8, in foo
-       6 | def foo(n=5):
-       7 |     if n > 0:
--->    8 |         return foo(n - 1)
-       9 |     x = 1
+       6 | def foo(n=5):
+       7 |     if n > 0:
+-->    8 |         return foo(n - 1)
+       9 |     x = 1
  File "formatter_example.py", line 26, in foo
       23 | try:
-      24 |     return 1 / 0
+      24 |     return 1 / 0
       25 | except Exception as e:
--->   26 |     raise TypeError from e
+-->   26 |     raise TypeError from e
 TypeError
diff --git a/tests/golden_files/serialize.json b/tests/golden_files/serialize.json
index 94a190a..f084d18 100644
--- a/tests/golden_files/serialize.json
+++ b/tests/golden_files/serialize.json
@@ -582,13 +582,13 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 9,
-                            "text": "\u001b[38;5;15m\u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
+                            "text": "\u001b[38;5;15m\u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 10,
-                            "text": "\u001b[38;5;15m\u001b[39m\u001b[38;5;15mlst\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15m(\u001b[39m"
+                            "text": "\u001b[38;5;15m\u001b[39m\u001b[38;5;15mlst\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15m(\u001b[39m"
                         },
                         {
                             "type": "line",
@@ -609,7 +609,7 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 18,
-                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;197m+\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15m[\u001b[39m\u001b[38;5;15m]\u001b[39m"
+                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;204m+\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15m[\u001b[39m\u001b[38;5;15m]\u001b[39m"
                         },
                         {
                             "type": "line",
@@ -724,7 +724,7 @@
                             "type": "line",
                             "is_current": true,
                             "lineno": 24,
-                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;197;48;5;24m/\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m0\u001b[39;49m"
+                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;204;48;5;24m/\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m0\u001b[39;49m"
                         },
                         {
                             "type": "line",
@@ -832,25 +832,25 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 6,
-                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 7,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": true,
                             "lineno": 8,
-                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;197;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
+                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;204;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 9,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
                         }
                     ],
                     "variables": [
@@ -878,25 +878,25 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 6,
-                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 7,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": true,
                             "lineno": 8,
-                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;197;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
+                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;204;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 9,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
                         }
                     ],
                     "variables": [
@@ -934,25 +934,25 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 6,
-                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;81mdef\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mfoo\u001b[39m\u001b[38;5;15m(\u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;141m5\u001b[39m\u001b[38;5;15m)\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 7,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mif\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15mn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m>\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m\u001b[38;5;15m:\u001b[39m"
                         },
                         {
                             "type": "line",
                             "is_current": true,
                             "lineno": 8,
-                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;197;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
+                            "text": "\u001b[38;5;15m        \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15;48;5;24mfoo\u001b[39;49m\u001b[38;5;15;48;5;24m(\u001b[39;49m\u001b[38;5;15;48;5;24mn\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;204;48;5;24m-\u001b[39;49m\u001b[38;5;15;48;5;24m \u001b[39;49m\u001b[38;5;141;48;5;24m1\u001b[39;49m\u001b[38;5;15;48;5;24m)\u001b[39;49m"
                         },
                         {
                             "type": "line",
                             "is_current": false,
                             "lineno": 9,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;15mx\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m=\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m"
                         }
                     ],
                     "variables": [
@@ -986,7 +986,7 @@
                             "type": "line",
                             "is_current": false,
                             "lineno": 24,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197m/\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mreturn\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m1\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204m/\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;141m0\u001b[39m"
                         },
                         {
                             "type": "line",
@@ -998,7 +998,7 @@
                             "type": "line",
                             "is_current": true,
                             "lineno": 26,
-                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mraise\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mTypeError\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;197mfrom\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15me\u001b[39m"
+                            "text": "\u001b[38;5;15m    \u001b[39m\u001b[38;5;81mraise\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;148mTypeError\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;204mfrom\u001b[39m\u001b[38;5;15m \u001b[39m\u001b[38;5;15me\u001b[39m"
                         }
                     ],
                     "variables": [