diff --git a/ports/elfio/portfile.cmake b/ports/elfio/portfile.cmake
index 1d42f0196abc68..cee90231bbd68a 100644
--- a/ports/elfio/portfile.cmake
+++ b/ports/elfio/portfile.cmake
@@ -1,8 +1,8 @@
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO serge1/ELFIO
-    REF Release_3.8
-    SHA512 befaa793301750d8de3decf138dfac2003fea36028f509959a96ed710e82e679ffd57370666996c4ee932d0c86f8be0d05d12a1ab78850ef26d1cc4d39b9b039)
+    REF Release_3.9
+    SHA512 479c4132ac3575940bd1e8190ba5253e54ae57f38319d7bca75ea85ee2f744f5d5b460d2d4ceb17eca0d0561c6e281673f050bbdab2f5ff526c031c220876bf1)
 
 vcpkg_configure_cmake(
     SOURCE_PATH ${SOURCE_PATH}
diff --git a/ports/elfio/vcpkg.json b/ports/elfio/vcpkg.json
index 427aeca5c39afb..c49ffbe49529fc 100644
--- a/ports/elfio/vcpkg.json
+++ b/ports/elfio/vcpkg.json
@@ -1,6 +1,6 @@
 {
   "name": "elfio",
-  "version-string": "3.8",
+  "version": "3.9",
   "description": "A header-only C++ library intended for reading and generating files in the ELF binary format.",
   "homepage": "https://github.com/serge1/ELFIO"
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index 5b043cf59fb2f6..97d3119ef4c40f 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1805,7 +1805,7 @@
       "port-version": 0
     },
     "elfio": {
-      "baseline": "3.8",
+      "baseline": "3.9",
       "port-version": 0
     },
     "elfutils": {
diff --git a/versions/e-/elfio.json b/versions/e-/elfio.json
index 95899ed2ce887b..fb92088639bf54 100644
--- a/versions/e-/elfio.json
+++ b/versions/e-/elfio.json
@@ -1,8 +1,13 @@
 {
   "versions": [
+    {
+      "git-tree": "4c3c450c25f313eba1565d93542dbe2caa17aec4",
+      "version": "3.9",
+      "port-version": 0
+    },
     {
       "git-tree": "19659f0b36d05c1643f7ecb4b553341a942b1fd5",
-      "version-string": "3.8",
+      "version": "3.8",
       "port-version": 0
     }
   ]