diff --git a/pkgs/development/libraries/libarchive/default.nix b/pkgs/development/libraries/libarchive/default.nix
index 0f6b196d1507..118adc61623a 100644
--- a/pkgs/development/libraries/libarchive/default.nix
+++ b/pkgs/development/libraries/libarchive/default.nix
@@ -10,13 +10,13 @@ assert xarSupport -> libxml2 != null;
 
 stdenv.mkDerivation rec {
   pname = "libarchive";
-  version = "3.4.2";
+  version = "3.4.3";
 
   src = fetchFromGitHub {
     owner = "libarchive";
     repo = "libarchive";
     rev = "v${version}";
-    sha256 = "0mjm77wbqs8sbn9j44lj39nwbg6anmgz6pkyfxsww54a4rs0p3iz";
+    sha256 = "1y0v03p6zyv6plr2p0pid1qfgmk8hd427spj8xa93mcdmq5yc3s0";
   };
 
   outputs = [ "out" "lib" "dev" ];