diff --git a/crates/ruff_linter/resources/test/fixtures/flake8_todos/TD003.py b/crates/ruff_linter/resources/test/fixtures/flake8_todos/TD003.py
index 2f6b5e73fdbea..9746c27a0570e 100644
--- a/crates/ruff_linter/resources/test/fixtures/flake8_todos/TD003.py
+++ b/crates/ruff_linter/resources/test/fixtures/flake8_todos/TD003.py
@@ -5,6 +5,12 @@
 # TODO: this comment has an issue
 # TDO-3870
 
+# TODO: the link has an issue code of the minimum length
+# T-001
+
+# TODO: the issue code can be arbitrarily long
+# ABCDEFGHIJKLMNOPQRSTUVWXYZ-001
+
 # TDO003 - errors
 # TODO: this comment has no
 # link after it
diff --git a/crates/ruff_linter/src/rules/flake8_todos/rules/todos.rs b/crates/ruff_linter/src/rules/flake8_todos/rules/todos.rs
index d21b423d723ae..1a04543fe3f1c 100644
--- a/crates/ruff_linter/src/rules/flake8_todos/rules/todos.rs
+++ b/crates/ruff_linter/src/rules/flake8_todos/rules/todos.rs
@@ -91,7 +91,7 @@ impl Violation for MissingTodoAuthor {
 /// # TODO(charlie): this comment has a 3-digit issue code
 /// # 003
 ///
-/// # TODO(charlie): this comment has an issue code of (up to) 6 characters, then digits
+/// # TODO(charlie): this comment has an issue code (matches the regex `[A-Z]+\-?\d+`)
 /// # SIXCHR-003
 /// ```
 #[derive(ViolationMetadata)]
@@ -228,7 +228,7 @@ static ISSUE_LINK_REGEX_SET: LazyLock<RegexSet> = LazyLock::new(|| {
     RegexSet::new([
         r"^#\s*(http|https)://.*", // issue link
         r"^#\s*\d+$",              // issue code - like "003"
-        r"^#\s*[A-Z]{1,6}\-?\d+$", // issue code - like "TD003"
+        r"^#\s*[A-Z]+\-?\d+$",     // issue code - like "TD003"
     ])
     .unwrap()
 });
diff --git a/crates/ruff_linter/src/rules/flake8_todos/snapshots/ruff_linter__rules__flake8_todos__tests__missing-todo-link_TD003.py.snap b/crates/ruff_linter/src/rules/flake8_todos/snapshots/ruff_linter__rules__flake8_todos__tests__missing-todo-link_TD003.py.snap
index fb2932b140245..1b6f46ce5cdff 100644
--- a/crates/ruff_linter/src/rules/flake8_todos/snapshots/ruff_linter__rules__flake8_todos__tests__missing-todo-link_TD003.py.snap
+++ b/crates/ruff_linter/src/rules/flake8_todos/snapshots/ruff_linter__rules__flake8_todos__tests__missing-todo-link_TD003.py.snap
@@ -2,48 +2,48 @@
 source: crates/ruff_linter/src/rules/flake8_todos/mod.rs
 snapshot_kind: text
 ---
-TD003.py:9:3: TD003 Missing issue link on the line following this TODO
+TD003.py:15:3: TD003 Missing issue link on the line following this TODO
    |
- 8 | # TDO003 - errors
- 9 | # TODO: this comment has no
+14 | # TDO003 - errors
+15 | # TODO: this comment has no
    |   ^^^^ TD003
-10 | # link after it
+16 | # link after it
    |
 
-TD003.py:12:3: TD003 Missing issue link on the line following this TODO
+TD003.py:18:3: TD003 Missing issue link on the line following this TODO
    |
-10 | # link after it
-11 | 
-12 | # TODO: here's a TODO with no link after it
+16 | # link after it
+17 | 
+18 | # TODO: here's a TODO with no link after it
    |   ^^^^ TD003
-13 | def foo(x):
-14 |     return x
+19 | def foo(x):
+20 |     return x
    |
 
-TD003.py:25:3: TD003 Missing issue link on the line following this TODO
+TD003.py:31:3: TD003 Missing issue link on the line following this TODO
    |
-23 | # TDO-3870
-24 | 
-25 | # TODO: here's a TODO without an issue link
+29 | # TDO-3870
+30 | 
+31 | # TODO: here's a TODO without an issue link
    |   ^^^^ TD003
-26 | # TODO: followed by a new TODO with an issue link
-27 | # TDO-3870
+32 | # TODO: followed by a new TODO with an issue link
+33 | # TDO-3870
    |
 
-TD003.py:29:9: TD003 Missing issue link on the line following this TODO
+TD003.py:35:9: TD003 Missing issue link on the line following this TODO
    |
-27 | # TDO-3870
-28 | 
-29 | # foo # TODO: no link!
+33 | # TDO-3870
+34 | 
+35 | # foo # TODO: no link!
    |         ^^^^ TD003
-30 | 
-31 | # TODO: here's a TODO on the last line with no link
+36 | 
+37 | # TODO: here's a TODO on the last line with no link
    |
 
-TD003.py:31:3: TD003 Missing issue link on the line following this TODO
+TD003.py:37:3: TD003 Missing issue link on the line following this TODO
    |
-29 | # foo # TODO: no link!
-30 | 
-31 | # TODO: here's a TODO on the last line with no link
+35 | # foo # TODO: no link!
+36 | 
+37 | # TODO: here's a TODO on the last line with no link
    |   ^^^^ TD003
    |