diff --git a/pkgs/servers/sql/postgresql/ext/plv8.nix b/pkgs/servers/sql/postgresql/ext/plv8.nix
index 89138baa91c2..b4f4c357d42d 100644
--- a/pkgs/servers/sql/postgresql/ext/plv8.nix
+++ b/pkgs/servers/sql/postgresql/ext/plv8.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "plv8";
-  version = "2.3.12";
+  version = "2.3.13";
 
   nativeBuildInputs = [ perl ];
   buildInputs = [ v8 postgresql ];
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     owner = "plv8";
     repo = "plv8";
     rev = "v${version}";
-    sha256 = "1yi1ibiibvd0x4z5dm698w32ljrj3yr4j25jm1zkgkwd4ii8y644";
+    sha256 = "12xpcc1ylzyy75wi1m4vijknzv2gxab05w9z90jb03faq18cnlql";
   };
 
   makefile = "Makefile.shared";