diff --git a/ports/lzav/portfile.cmake b/ports/lzav/portfile.cmake
index 483c0fb346..190af12f72 100644
--- a/ports/lzav/portfile.cmake
+++ b/ports/lzav/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO avaneev/lzav
     REF ${VERSION}
-    SHA512 2e5c852dbace404816efc136b99a79f7e453347b0b641fa7f35da54d089f376f779fe9801265ce642c2d0dc4e5b222aa21f2a53277a4c5c78824f000ece25ed6
+    SHA512 456c1d422bf884643862f81d461baae75f24247a2789ea8dabd7203293fa73a197e5e6895492be57c12a9f8dace9d3dc810b8b1a3e4a264768dbda6e28e1ee59
     HEAD_REF master
 )
 
diff --git a/ports/lzav/vcpkg.json b/ports/lzav/vcpkg.json
index 80f55e3487..32bf36a3b3 100644
--- a/ports/lzav/vcpkg.json
+++ b/ports/lzav/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "lzav",
-  "version": "3.13",
+  "version": "4.0",
   "description": "Fast In-Memory Data Compression Algorithm (inline C/C++)",
   "homepage": "https://github.com/avaneev/lzav",
   "license": "MIT"
diff --git a/versions/baseline.json b/versions/baseline.json
index 278c3e539d..6afcb6aea3 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5645,7 +5645,7 @@
       "port-version": 0
     },
     "lzav": {
-      "baseline": "3.13",
+      "baseline": "4.0",
       "port-version": 0
     },
     "lzfse": {
diff --git a/versions/l-/lzav.json b/versions/l-/lzav.json
index 1c1b608365..d14eae967b 100644
--- a/versions/l-/lzav.json
+++ b/versions/l-/lzav.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "692b77f4637b32fce86d49215940373c3276acfa",
+      "version": "4.0",
+      "port-version": 0
+    },
     {
       "git-tree": "1a5770f80546cae8b85c0a259b019a35abf00a4c",
       "version": "3.13",