diff --git a/pkgs/development/libraries/libivykis/default.nix b/pkgs/development/libraries/libivykis/default.nix
index af3ab3a7c4ee..9419046db4ed 100644
--- a/pkgs/development/libraries/libivykis/default.nix
+++ b/pkgs/development/libraries/libivykis/default.nix
@@ -3,11 +3,11 @@
 stdenv.mkDerivation rec {
   name = "libivykis-${version}";
 
-  version = "0.42.2";
+  version = "0.42.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/libivykis/${version}/ivykis-${version}.tar.gz";
-    sha256 = "14vb613j4xas70wr7g5z9c9z871xhayd4zliywwf88myd41jcsw8";
+    sha256 = "1v0ajkm531v4zxzn2x90yb5ab81ssqv2y0fib24wbsggbkajbc69";
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];