diff --git a/pkgs/development/php-packages/mongodb/default.nix b/pkgs/development/php-packages/mongodb/default.nix
index 95e51892f04..0c2791038de 100644
--- a/pkgs/development/php-packages/mongodb/default.nix
+++ b/pkgs/development/php-packages/mongodb/default.nix
@@ -4,8 +4,8 @@
 buildPecl {
   pname = "mongodb";
 
-  version = "1.9.0";
-  sha256 = "16mbw3p80qxsj86nmjbfch8wv6jaq8wbz4rlpmixvhj9nwbp37hs";
+  version = "1.9.1";
+  sha256 = "1mzyssy2a89grw7rwmh0x22lql377nmnqlcv9piam1c32qiwxlg9";
 
   nativeBuildInputs = [ pkg-config ];
   buildInputs = [