diff --git a/pkgs/by-name/wc/wcslib/package.nix b/pkgs/by-name/wc/wcslib/package.nix
index f91ac3587369..d662a74a2907 100644
--- a/pkgs/by-name/wc/wcslib/package.nix
+++ b/pkgs/by-name/wc/wcslib/package.nix
@@ -7,11 +7,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "wcslib";
-  version = "8.5";
+  version = "8.6";
 
   src = fetchurl {
     url = "ftp://ftp.atnf.csiro.au/pub/software/wcslib/wcslib-${finalAttrs.version}.tar.bz2";
-    hash = "sha256-8f0bePv9ur2jY/gEXgxZ4yc17KRUgqUwIZHlb+Bi6s4=";
+    hash = "sha256-4DBCNgWhme8JD+dCvJAagtnms6d+AQ4hHN1tLNBnzVo=";
   };
 
   nativeBuildInputs = [ flex ];