diff --git a/crates/ruff_linter/src/codes.rs b/crates/ruff_linter/src/codes.rs
index c31e989a46..af2bb0934a 100644
--- a/crates/ruff_linter/src/codes.rs
+++ b/crates/ruff_linter/src/codes.rs
@@ -1019,7 +1019,7 @@ pub fn code_to_rule(linter: Linter, code: &str) -> Option<(RuleGroup, Rule)> {
         (Ruff, "049") => (RuleGroup::Preview, rules::ruff::rules::DataclassEnum),
         (Ruff, "051") => (RuleGroup::Stable, rules::ruff::rules::IfKeyInDictDel),
         (Ruff, "052") => (RuleGroup::Preview, rules::ruff::rules::UsedDummyVariable),
-        (Ruff, "053") => (RuleGroup::Preview, rules::ruff::rules::ClassWithMixedTypeVars),
+        (Ruff, "053") => (RuleGroup::Stable, rules::ruff::rules::ClassWithMixedTypeVars),
         (Ruff, "054") => (RuleGroup::Preview, rules::ruff::rules::IndentedFormFeed),
         (Ruff, "055") => (RuleGroup::Preview, rules::ruff::rules::UnnecessaryRegularExpression),
         (Ruff, "056") => (RuleGroup::Preview, rules::ruff::rules::FalsyDictGetFallback),
diff --git a/crates/ruff_linter/src/rules/ruff/mod.rs b/crates/ruff_linter/src/rules/ruff/mod.rs
index 688712b28a..e3a0cd8ab5 100644
--- a/crates/ruff_linter/src/rules/ruff/mod.rs
+++ b/crates/ruff_linter/src/rules/ruff/mod.rs
@@ -95,6 +95,7 @@ mod tests {
     #[test_case(Rule::MapIntVersionParsing, Path::new("RUF048_1.py"))]
     #[test_case(Rule::IfKeyInDictDel, Path::new("RUF051.py"))]
     #[test_case(Rule::UsedDummyVariable, Path::new("RUF052.py"))]
+    #[test_case(Rule::ClassWithMixedTypeVars, Path::new("RUF053.py"))]
     #[test_case(Rule::FalsyDictGetFallback, Path::new("RUF056.py"))]
     #[test_case(Rule::UnusedUnpackedVariable, Path::new("RUF059_0.py"))]
     #[test_case(Rule::UnusedUnpackedVariable, Path::new("RUF059_1.py"))]
@@ -481,7 +482,6 @@ mod tests {
     #[test_case(Rule::DataclassEnum, Path::new("RUF049.py"))]
     #[test_case(Rule::StarmapZip, Path::new("RUF058_0.py"))]
     #[test_case(Rule::StarmapZip, Path::new("RUF058_1.py"))]
-    #[test_case(Rule::ClassWithMixedTypeVars, Path::new("RUF053.py"))]
     #[test_case(Rule::IndentedFormFeed, Path::new("RUF054.py"))]
     #[test_case(Rule::ImplicitClassVarInDataclass, Path::new("RUF045.py"))]
     fn preview_rules(rule_code: Rule, path: &Path) -> Result<()> {
diff --git a/crates/ruff_linter/src/rules/ruff/snapshots/ruff_linter__rules__ruff__tests__preview__RUF053_RUF053.py.snap b/crates/ruff_linter/src/rules/ruff/snapshots/ruff_linter__rules__ruff__tests__RUF053_RUF053.py.snap
similarity index 100%
rename from crates/ruff_linter/src/rules/ruff/snapshots/ruff_linter__rules__ruff__tests__preview__RUF053_RUF053.py.snap
rename to crates/ruff_linter/src/rules/ruff/snapshots/ruff_linter__rules__ruff__tests__RUF053_RUF053.py.snap