diff --git a/pkgs/development/libraries/libguestfs/default.nix b/pkgs/development/libraries/libguestfs/default.nix
index e659b31d9745..7e7f46673580 100644
--- a/pkgs/development/libraries/libguestfs/default.nix
+++ b/pkgs/development/libraries/libguestfs/default.nix
@@ -9,16 +9,16 @@ assert javaSupport -> jdk != null;
 
 stdenv.mkDerivation rec {
   name = "libguestfs-${version}";
-  version = "1.36.3";
+  version = "1.38.0";
 
   appliance = fetchurl {
-    url = "http://libguestfs.org/download/binaries/appliance/appliance-1.36.1.tar.xz";
-    sha256 = "1klvr13gpg615hgjvviwpxlj839lbwwsrq7x100qg5zmmjfhl125";
+    url = "http://libguestfs.org/download/binaries/appliance/appliance-1.38.0.tar.xz";
+    sha256 = "05481qxgidakga871yb5rgpyci2jaxmplmkh6y79anfh5m19nzhy";
   };
 
   src = fetchurl {
-    url = "http://libguestfs.org/download/1.36-stable/libguestfs-${version}.tar.gz";
-    sha256 = "0dhb69b7svjgnrmbyvizdz5vsgsrr95ypz0qvp3kz83jyj6sa76m";
+    url = "http://libguestfs.org/download/1.38-stable/libguestfs-${version}.tar.gz";
+    sha256 = "0cgapiad3x5ggwm097mq62hng3bv91p5gmrikrb6adfaasr1l6m3";
   };
 
   nativeBuildInputs = [ pkgconfig ];