diff --git a/pkgs/development/python-modules/lmdb/default.nix b/pkgs/development/python-modules/lmdb/default.nix
index 6980ddcb010..3e78626238a 100644
--- a/pkgs/development/python-modules/lmdb/default.nix
+++ b/pkgs/development/python-modules/lmdb/default.nix
@@ -8,11 +8,11 @@
 
 buildPythonPackage rec {
   pname = "lmdb";
-  version = "1.1.1";
+  version = "1.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "165cd1669b29b16c2d5cc8902b90fede15a7ee475c54d466f1444877a3f511ac";
+    sha256 = "5f76a90ebd08922acca11948779b5055f7a262687178e9e94f4e804b9f8465bc";
   };
 
   buildInputs = [ lmdb ];