diff --git a/src/content/spec/foundations/container-queries.md b/src/content/spec/foundations/container-queries.md
index fa13369b..3a1284b5 100644
--- a/src/content/spec/foundations/container-queries.md
+++ b/src/content/spec/foundations/container-queries.md
@@ -7,13 +7,13 @@ status: recommended
 order: 160
 appliesTo: [all]
 relatedSlugs: [css-containment, dynamic-viewport-units, anchor-positioning]
-updated: "2026-06-27T00:00:00.000Z"
+updated: "2026-09-22T00:00:00.000Z"
 sources:
-  - title: "CSS Containment Module Level 3"
-    url: "https://drafts.csswg.org/css-contain-3/"
+  - title: "CSS Conditional Rules Module Level 5 — container queries and style queries"
+    url: "https://drafts.csswg.org/css-conditional-5/#container-queries"
     publisher: "W3C CSS Working Group"
-  - title: "CSS Conditional Rules Module Level 5 — style queries"
-    url: "https://drafts.csswg.org/css-conditional-5/"
+  - title: "CSS Containment Module Level 2"
+    url: "https://drafts.csswg.org/css-contain-2/"
     publisher: "W3C CSS Working Group"
   - title: "MDN — @container"
     url: "https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/At-rules/@container"
diff --git a/src/content/spec/foundations/meta-viewport.md b/src/content/spec/foundations/meta-viewport.md
index 9384bbf2..39b5089c 100644
--- a/src/content/spec/foundations/meta-viewport.md
+++ b/src/content/spec/foundations/meta-viewport.md
@@ -7,13 +7,13 @@ status: required
 order: 40
 appliesTo: [all]
 relatedSlugs: [doctype, meta-charset, theme-color, dynamic-viewport-units, mobile-form-inputs]
-updated: "2026-07-27T00:00:00.000Z"
+updated: "2026-09-22T00:00:00.000Z"
 sources:
   - title: "MDN — Viewport meta tag"
     url: "https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/meta/name/viewport"
     publisher: "MDN"
-  - title: "CSS Device Adaptation Module — viewport meta"
-    url: "https://drafts.csswg.org/css-device-adapt/#viewport-meta"
+  - title: "CSS Viewport Module Level 1 — the viewport meta element"
+    url: "https://drafts.csswg.org/css-viewport-1/#viewport-meta"
     publisher: "W3C"
   - title: "MDN — env() and the safe-area-inset-* variables"
     url: "https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/Values/env"