diff --git a/pkgs/development/libraries/cimg/default.nix b/pkgs/development/libraries/cimg/default.nix
index 8a67ab09a19..312f927767d 100644
--- a/pkgs/development/libraries/cimg/default.nix
+++ b/pkgs/development/libraries/cimg/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cimg";
-  version = "2.9.0";
+  version = "2.9.1";
 
   src = fetchFromGitHub {
     owner = "dtschump";
     repo = "CImg";
     rev = "v.${version}";
-    sha256 = "1x43c1w2kzr6h3j7y3kwiwb7nba0iymck6bq9psvp53mh9xxrfd1";
+    sha256 = "0vl7dscbms4834gm1000sp17pr714pbqwicn40pbl85mxr3pnjp3";
   };
 
   installPhase = ''