diff --git a/pkgs/development/libraries/cimg/default.nix b/pkgs/development/libraries/cimg/default.nix
index bffbf4011de..89dd2b44338 100644
--- a/pkgs/development/libraries/cimg/default.nix
+++ b/pkgs/development/libraries/cimg/default.nix
@@ -3,11 +3,11 @@
 stdenv.mkDerivation rec {
 
   name = "cimg-${version}";
-  version = "2.6.5";
+  version = "2.6.6";
 
   src = fetchurl {
     url = "http://cimg.eu/files/CImg_${version}.zip";
-    sha256 = "1q409xrri67vqhda6f6jfqnvzj1b3b9xlpi27vm9vl10k2lv4m3a";
+    sha256 = "06a6qgs7q79asfbfp615h5iin23y7g8y1achnmsp3rpkikssskzv";
   };
 
   nativeBuildInputs = [ unzip ];