diff --git a/pkgs/development/libraries/ldb/default.nix b/pkgs/development/libraries/ldb/default.nix
index d81e3eeabe6d..37856f5a0130 100644
--- a/pkgs/development/libraries/ldb/default.nix
+++ b/pkgs/development/libraries/ldb/default.nix
@@ -16,11 +16,11 @@
 
 stdenv.mkDerivation rec {
   pname = "ldb";
-  version = "2.3.0";
+  version = "2.6.1";
 
   src = fetchurl {
     url = "mirror://samba/ldb/${pname}-${version}.tar.gz";
-    sha256 = "0bcjj4gv48ddg44wyxpsvrs26xry6yy9x9k16qgz0bljs2rhilx4";
+    sha256 = "sha256-RnQD9334Z4LDlluxdUQLqi7XUan+uVYBlL2MBr8XNsk=";
   };
 
   outputs = [ "out" "dev" ];
@@ -44,6 +44,13 @@ stdenv.mkDerivation rec {
     cmocka
   ];
 
+  # otherwise the configure script fails with
+  # PYTHONHASHSEED=1 missing! Don't use waf directly, use ./configure and make!
+  preConfigure = ''
+    export PKGCONFIG="$PKG_CONFIG"
+    export PYTHONHASHSEED=1
+  '';
+
   wafPath = "buildtools/bin/waf";
 
   wafConfigureFlags = [