diff --git a/pkgs/development/libraries/lmdb/default.nix b/pkgs/development/libraries/lmdb/default.nix
index 8c65d02bf565..7c907e9ef70f 100644
--- a/pkgs/development/libraries/lmdb/default.nix
+++ b/pkgs/development/libraries/lmdb/default.nix
@@ -2,14 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "lmdb";
-  version = "0.9.32";
+  version = "0.9.33";
 
   src = fetchFromGitLab {
     domain = "git.openldap.org";
     owner = "openldap";
     repo = "openldap";
     rev = "LMDB_${version}";
-    sha256 = "sha256-29ZrGIiGqrvX+WsPRs2V25hPmAJSHTHaGo19nMldsb8=";
+    sha256 = "sha256-5IBoJ3jaNXao5zVzb0LDM8RGid4s8DGQpjVqrVPLpXQ=";
   };
 
   postUnpack = "sourceRoot=\${sourceRoot}/libraries/liblmdb";