diff --git a/pkgs/development/libraries/libsvm/default.nix b/pkgs/development/libraries/libsvm/default.nix
index 8d3d2f4c60c7..aab0da90d394 100644
--- a/pkgs/development/libraries/libsvm/default.nix
+++ b/pkgs/development/libraries/libsvm/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "libsvm-${version}";
-  version = "3.20";
+  version = "3.22";
 
   src = fetchurl {
     url = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/libsvm-${version}.tar.gz";
-    sha256 = "1gj5v5zp1qnsnv0iwxq0ikhf8262d3s5dq6syr6yqkglps0284hg";
+    sha256 = "0zd7s19y5vb7agczl6456bn45cj1y64739sslaskw1qk7dywd0bd";
   };
 
   buildPhase = ''