diff --git a/src/rules/font-family-fallbacks.js b/src/rules/font-family-fallbacks.js
index 3a36a722..33999959 100644
--- a/src/rules/font-family-fallbacks.js
+++ b/src/rules/font-family-fallbacks.js
@@ -117,10 +117,12 @@ function reportFontWithoutFallbacksInFontProperty(
 export default {
 	meta: {
 		type: "suggestion",
+		languages: ["css/css"],
 
 		docs: {
 			description:
 				"Enforce use of fallback fonts and a generic font last",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/font-family-fallbacks.md",
 		},
diff --git a/src/rules/no-duplicate-imports.js b/src/rules/no-duplicate-imports.js
index 0e1749a1..1ec9899d 100644
--- a/src/rules/no-duplicate-imports.js
+++ b/src/rules/no-duplicate-imports.js
@@ -23,11 +23,13 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		fixable: "code",
 
 		docs: {
 			description: "Disallow duplicate @import rules",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-duplicate-imports.md",
 		},
diff --git a/src/rules/no-duplicate-keyframe-selectors.js b/src/rules/no-duplicate-keyframe-selectors.js
index b0fa46f5..3fcf7535 100644
--- a/src/rules/no-duplicate-keyframe-selectors.js
+++ b/src/rules/no-duplicate-keyframe-selectors.js
@@ -21,9 +21,11 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow duplicate selectors within keyframe blocks",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-duplicate-keyframe-selectors.md",
 		},
diff --git a/src/rules/no-empty-blocks.js b/src/rules/no-empty-blocks.js
index 2836dd8c..53828fd5 100644
--- a/src/rules/no-empty-blocks.js
+++ b/src/rules/no-empty-blocks.js
@@ -21,9 +21,11 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow empty blocks",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-empty-blocks.md",
 		},
diff --git a/src/rules/no-important.js b/src/rules/no-important.js
index 07e04356..4ea99d12 100644
--- a/src/rules/no-important.js
+++ b/src/rules/no-important.js
@@ -30,11 +30,13 @@ const trailingWhitespacePattern = /\s*$/u;
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		hasSuggestions: true,
 
 		docs: {
 			description: "Disallow !important flags",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-important.md",
 		},
diff --git a/src/rules/no-invalid-at-rule-placement.js b/src/rules/no-invalid-at-rule-placement.js
index 2c1ea426..f2177b1f 100644
--- a/src/rules/no-invalid-at-rule-placement.js
+++ b/src/rules/no-invalid-at-rule-placement.js
@@ -21,9 +21,11 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow invalid placement of at-rules",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-invalid-at-rule-placement.md",
 		},
diff --git a/src/rules/no-invalid-at-rules.js b/src/rules/no-invalid-at-rules.js
index 26e97028..d50d6d01 100644
--- a/src/rules/no-invalid-at-rules.js
+++ b/src/rules/no-invalid-at-rules.js
@@ -78,11 +78,13 @@ function extractMetaDataFromError(error) {
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		fixable: "code",
 
 		docs: {
 			description: "Disallow invalid at-rules",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-invalid-at-rules.md",
 		},
diff --git a/src/rules/no-invalid-named-grid-areas.js b/src/rules/no-invalid-named-grid-areas.js
index 4bc4afa4..f4cfc049 100644
--- a/src/rules/no-invalid-named-grid-areas.js
+++ b/src/rules/no-invalid-named-grid-areas.js
@@ -83,9 +83,11 @@ const validProps = new Set(["grid-template-areas", "grid-template", "grid"]);
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow invalid named grid areas",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-invalid-named-grid-areas.md",
 		},
diff --git a/src/rules/no-invalid-properties.js b/src/rules/no-invalid-properties.js
index 8a6bd638..890806b6 100644
--- a/src/rules/no-invalid-properties.js
+++ b/src/rules/no-invalid-properties.js
@@ -90,9 +90,11 @@ function getVarFallbackList(value) {
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow invalid properties",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-invalid-properties.md",
 		},
diff --git a/src/rules/no-unmatchable-selectors.js b/src/rules/no-unmatchable-selectors.js
index 482e3780..3d5b5bc4 100644
--- a/src/rules/no-unmatchable-selectors.js
+++ b/src/rules/no-unmatchable-selectors.js
@@ -21,9 +21,11 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow unmatchable selectors",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/no-unmatchable-selectors.md",
 		},
diff --git a/src/rules/prefer-logical-properties.js b/src/rules/prefer-logical-properties.js
index 729a3621..082e393c 100644
--- a/src/rules/prefer-logical-properties.js
+++ b/src/rules/prefer-logical-properties.js
@@ -137,11 +137,13 @@ const unitReplacements = new Map([
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		fixable: "code",
 
 		docs: {
 			description: "Enforce the use of logical properties",
+			dialects: ["CSS"],
 			url: "https://github.com/eslint/css/blob/main/docs/rules/prefer-logical-properties.md",
 		},
 
diff --git a/src/rules/relative-font-units.js b/src/rules/relative-font-units.js
index 59d4d585..e17382b6 100644
--- a/src/rules/relative-font-units.js
+++ b/src/rules/relative-font-units.js
@@ -54,9 +54,11 @@ const disallowedFontSizeKeywords = new Set([
 export default {
 	meta: {
 		type: "suggestion",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Enforce the use of relative font units",
+			dialects: ["CSS"],
 			recommended: false,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/relative-font-units.md",
 		},
diff --git a/src/rules/selector-complexity.js b/src/rules/selector-complexity.js
index 4f569bd5..01e80602 100644
--- a/src/rules/selector-complexity.js
+++ b/src/rules/selector-complexity.js
@@ -156,9 +156,11 @@ function getDisallowedCombinatorsLocation(
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Disallow and limit CSS selectors",
+			dialects: ["CSS"],
 			recommended: false,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/selector-complexity.md",
 		},
diff --git a/src/rules/use-baseline.js b/src/rules/use-baseline.js
index 10caf837..66be0a2d 100644
--- a/src/rules/use-baseline.js
+++ b/src/rules/use-baseline.js
@@ -487,9 +487,11 @@ class BaselineAvailability {
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Enforce the use of baseline features",
+			dialects: ["CSS"],
 			recommended: true,
 			url: "https://github.com/eslint/css/blob/main/docs/rules/use-baseline.md",
 		},
diff --git a/src/rules/use-layers.js b/src/rules/use-layers.js
index 49f320de..c652f269 100644
--- a/src/rules/use-layers.js
+++ b/src/rules/use-layers.js
@@ -26,9 +26,11 @@
 export default {
 	meta: {
 		type: "problem",
+		languages: ["css/css"],
 
 		docs: {
 			description: "Require use of layers",
+			dialects: ["CSS"],
 			url: "https://github.com/eslint/css/blob/main/docs/rules/use-layers.md",
 		},