diff --git a/pkgs/servers/sql/postgresql/12.nix b/pkgs/servers/sql/postgresql/12.nix
index 72e3c88301df..3b40e5cca47e 100644
--- a/pkgs/servers/sql/postgresql/12.nix
+++ b/pkgs/servers/sql/postgresql/12.nix
@@ -1,6 +1,6 @@
 import ./generic.nix {
-  version = "12.20";
-  hash = "sha256-LVQ68wCf7H/VrzX3pwyVCF0+72tQjlF6qUk+mbFenqk=";
+  version = "12.21";
+  hash = "sha256-bHEVUKwcx4KIZeWCPZ9Ffjva1vQyAXcWn5DkGb4MJ/I=";
   muslPatches = {
     dont-use-locale-a = {
       url = "https://git.alpinelinux.org/aports/plain/testing/postgresql12/dont-use-locale-a-on-musl.patch?id=d5227c91adda59d4e7f55f13468f0314e8869174";