diff --git a/changelog.md b/changelog.md
index 3eafa82..2df1032 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,8 +2,8 @@
 
 ## Next
 - Changed the CLI result to say 'not present' instead of 'not known' for versions that do not use a pack format.
-- Updated resource pack format to `26`.
-- Updated data pack format to `32`.
+- Updated resource pack format to `28`.
+- Updated data pack format to `35`.
 
 ## 1.3.12
 *2024-01-23*
diff --git a/readme.md b/readme.md
index 48b5317..254045e 100644
--- a/readme.md
+++ b/readme.md
@@ -29,7 +29,7 @@ const packFormat = require('pack-format')
 packFormat('1.14.4') // 4
 packFormat('1.16.2-pre1', 'resource') // 5
 packFormat('20w45a', 'data') // 6
-packFormat.LATEST.data // 32
+packFormat.LATEST.data // 35
 ```
 
 Retrieve a list of versions corresponding to a specific `pack_format`, again optionally specifying resource/data pack version.
diff --git a/src/index.ts b/src/index.ts
index d7e4127..8a1f87f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -60,6 +60,9 @@ const START_SNAPSHOTS: Record<string, Record<PackType, FormatResult>> = {
     '24w05a': { resource: 25, data: 30 },
     '24w06a': { resource: 26, data: 31 },
     '24w07a': { resource: 26, data: 32 },
+    '24w09a': { resource: 28, data: 33 },
+    '24w10a': { resource: 28, data: 34 },
+    '24w11a': { resource: 29, data: 35 },
     [fauxCurrentSnapshot]: { resource: undefined, data: undefined },
 }
 
diff --git a/test/pack-formats-tests.txt b/test/pack-formats-tests.txt
index 78e6a28..a08c5ff 100644
--- a/test/pack-formats-tests.txt
+++ b/test/pack-formats-tests.txt
@@ -112,6 +112,12 @@ Types:
 "24w06a" (d) 31
 "24w07a" (r) 26
 "24w07a" (d) 32
+"24w09a" (r) 28
+"24w09a" (d) 33
+"24w10a" (r) 28
+"24w10a" (d) 34
+"24w11a" (r) 29
+"24w11a" (d) 35
 
 === Special cases ===