diff --git a/pkgs/development/libraries/trompeloeil/default.nix b/pkgs/development/libraries/trompeloeil/default.nix
index 09c7ff795d3d..3f6a8bb98c62 100644
--- a/pkgs/development/libraries/trompeloeil/default.nix
+++ b/pkgs/development/libraries/trompeloeil/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "trompeloeil";
-  version = "48";
+  version = "49";
 
   src = fetchFromGitHub {
     owner = "rollbear";
     repo = "trompeloeil";
     rev = "v${version}";
-    sha256 = "sha256-7MXMbqksHqcyvwJsW8+wPWfnKTbQhUlGa4GcidpiBFw=";
+    sha256 = "sha256-AyTBHsPYaruq0jadifVqOs80YZ5xwajHdHgMINl3i1Q=";
   };
 
   nativeBuildInputs = [ cmake ];