diff --git a/ports/etl/portfile.cmake b/ports/etl/portfile.cmake
index 66b1fc5a4d..d03cd29826 100644
--- a/ports/etl/portfile.cmake
+++ b/ports/etl/portfile.cmake
@@ -2,7 +2,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO ETLCPP/etl
     REF "${VERSION}"
-    SHA512 fcfa30f4e702444b7cc9a41c97ba8c370e18468782a11fcde40d198f7f0475b3f6e45531c8fe2898e5ab0086c24f0cf9dc72ebf8c16480ac3c09dd301c476f0a
+    SHA512 27204220da2bc0d6028a689005ebd9150edffae78e6be6beae2ee361e3ef6dce90d1345637fc3ae4f03ef60404de9967ff40c694447c0f85f79772fde39f224f
     HEAD_REF master
 )
 
diff --git a/ports/etl/vcpkg.json b/ports/etl/vcpkg.json
index a1d4bf49a0..b032d36c6a 100644
--- a/ports/etl/vcpkg.json
+++ b/ports/etl/vcpkg.json
@@ -1,7 +1,6 @@
 {
   "name": "etl",
-  "version": "20.38.10",
-  "port-version": 1,
+  "version": "20.39.4",
   "description": "A C++ template library for embedded applications",
   "homepage": "https://www.etlcpp.com",
   "license": "MIT",
diff --git a/versions/baseline.json b/versions/baseline.json
index 0801c04c78..5f4a1ada5f 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2589,8 +2589,8 @@
       "port-version": 0
     },
     "etl": {
-      "baseline": "20.38.10",
-      "port-version": 1
+      "baseline": "20.39.4",
+      "port-version": 0
     },
     "eve": {
       "baseline": "2023.2.15",
diff --git a/versions/e-/etl.json b/versions/e-/etl.json
index d8b8a5f86a..2fa523b5dd 100644
--- a/versions/e-/etl.json
+++ b/versions/e-/etl.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "bdac500ecc12b8d6b7a36c6fb32dc76b7ec5d2dd",
+      "version": "20.39.4",
+      "port-version": 0
+    },
     {
       "git-tree": "04525d7e18f604bc4b4a7e1317c919ef691907af",
       "version": "20.38.10",