diff --git a/pkgs/development/python-modules/lmdb/default.nix b/pkgs/development/python-modules/lmdb/default.nix
index fe7a341c1480..35ceedccd0d8 100644
--- a/pkgs/development/python-modules/lmdb/default.nix
+++ b/pkgs/development/python-modules/lmdb/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "lmdb";
-  version = "1.4.1";
+  version = "1.5.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-H0x2ryTpB1k0h8kE7166GZO+s47Tha+CrbJahY8tZY0=";
+    hash = "sha256-cXwlWCfTMeAvckK0QFGqBkZskPbXMuywezHt+x4Gxno=";
   };
 
   buildInputs = [ lmdb ];