diff --git a/ports/cimg/portfile.cmake b/ports/cimg/portfile.cmake
index 04be6464f1..e5f304f6d8 100644
--- a/ports/cimg/portfile.cmake
+++ b/ports/cimg/portfile.cmake
@@ -3,7 +3,7 @@ set(VCPKG_BUILD_TYPE release) # header-only
 vcpkg_from_github(OUT_SOURCE_PATH SOURCE_PATH
     REPO dtschump/CImg
     REF "v.${VERSION}"
-    SHA512 c38910e8b93bcb65fbfd7fe11a036bae9f22e229d903cd044c26223473b02ec48ec46b3ad398e2cc02f25184e16a2e27a687f18479d3ae7edaee2bab69028ae9
+    SHA512 a960354bc245e933a0b6e175bfe1f9d03abff300a9d9e74e67203e204302349a9ec9dc500e2023776c614180d07a408bdfe9f044185c0707b25714f6ac9d8b85
     HEAD_REF master
 )
 
diff --git a/ports/cimg/vcpkg.json b/ports/cimg/vcpkg.json
index 02794016ca..c9d87ce659 100644
--- a/ports/cimg/vcpkg.json
+++ b/ports/cimg/vcpkg.json
@@ -1,8 +1,9 @@
 {
   "name": "cimg",
-  "version": "3.3.2",
+  "version": "3.4.0",
   "description": "The CImg Library is a small, open-source, and modern C++ toolkit for image processing",
   "homepage": "https://github.com/dtschump/CImg",
+  "license": "CECILL-C AND CECILL-2.0",
   "dependencies": [
     {
       "name": "vcpkg-cmake",
diff --git a/versions/baseline.json b/versions/baseline.json
index d437e4233e..00452ce3e3 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1625,7 +1625,7 @@
       "port-version": 0
     },
     "cimg": {
-      "baseline": "3.3.2",
+      "baseline": "3.4.0",
       "port-version": 0
     },
     "cista": {
diff --git a/versions/c-/cimg.json b/versions/c-/cimg.json
index 07f2b86171..69560589ae 100644
--- a/versions/c-/cimg.json
+++ b/versions/c-/cimg.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "1c08fdefb8bf0afdace2a7521533a3bd4fbd8f8d",
+      "version": "3.4.0",
+      "port-version": 0
+    },
     {
       "git-tree": "0b73bf0046233dd69f0dc7962a7e0c3f961be2bc",
       "version": "3.3.2",