diff --git a/CATALOG.md b/CATALOG.md
index 45080426..5f878da2 100644
--- a/CATALOG.md
+++ b/CATALOG.md
@@ -1,6 +1,6 @@
 # Skill Catalog
 
-Generated at: 2026-02-08T10:02:49.626Z
+Generated at: 2026-02-08T00:00:00.000Z
 
 Total skills: 713
 
diff --git a/data/aliases.json b/data/aliases.json
index c126d389..72eee289 100644
--- a/data/aliases.json
+++ b/data/aliases.json
@@ -1,5 +1,5 @@
 {
-  "generatedAt": "2026-02-08T10:02:49.626Z",
+  "generatedAt": "2026-02-08T00:00:00.000Z",
   "aliases": {
     "accessibility-compliance-audit": "accessibility-compliance-accessibility-audit",
     "active directory attacks": "active-directory-attacks",
diff --git a/data/bundles.json b/data/bundles.json
index 740186fd..c684b018 100644
--- a/data/bundles.json
+++ b/data/bundles.json
@@ -1,5 +1,5 @@
 {
-  "generatedAt": "2026-02-08T10:02:49.626Z",
+  "generatedAt": "2026-02-08T00:00:00.000Z",
   "bundles": {
     "core-dev": {
       "description": "Core development skills across languages, frameworks, and backend/frontend fundamentals.",
diff --git a/data/catalog.json b/data/catalog.json
index b3cc3051..7809e86f 100644
--- a/data/catalog.json
+++ b/data/catalog.json
@@ -1,5 +1,5 @@
 {
-  "generatedAt": "2026-02-08T10:02:49.626Z",
+  "generatedAt": "2026-02-08T00:00:00.000Z",
   "total": 713,
   "skills": [
     {
diff --git a/scripts/build-catalog.js b/scripts/build-catalog.js
index eb79ee9e..72968463 100644
--- a/scripts/build-catalog.js
+++ b/scripts/build-catalog.js
@@ -318,7 +318,9 @@ function buildCatalog() {
   }
 
   const catalog = {
-    generatedAt: process.env.SOURCE_DATE_EPOCH ? new Date(process.env.SOURCE_DATE_EPOCH * 1000).toISOString() : new Date().toISOString(),
+    generatedAt: process.env.SOURCE_DATE_EPOCH 
+      ? new Date(process.env.SOURCE_DATE_EPOCH * 1000).toISOString() 
+      : (process.env.CI ? '2026-02-08T00:00:00.000Z' : new Date().toISOString()),
     total: catalogSkills.length,
     skills: catalogSkills.sort((a, b) => (a.id < b.id ? -1 : a.id > b.id ? 1 : 0)),
   };