diff --git a/pkgs/development/libraries/libssh2/default.nix b/pkgs/development/libraries/libssh2/default.nix
index a0723d956717..93377429e7ea 100644
--- a/pkgs/development/libraries/libssh2/default.nix
+++ b/pkgs/development/libraries/libssh2/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurlBoot, openssl, zlib}:
 
 stdenv.mkDerivation rec {
-  name = "libssh2-1.2.6";
+  name = "libssh2-1.4.3";
 
   src = fetchurlBoot {
     url = "${meta.homepage}/download/${name}.tar.gz";
-    sha256 = "00f6hw972v7jd0rrdr6kx5cn7pa1spyx8xgc7vhjydksgsig3f8b";
+    sha256 = "eac6f85f9df9db2e6386906a6227eb2cd7b3245739561cad7d6dc1d5d021b96d";
   };
 
   buildInputs = [ openssl zlib ];