diff --git a/common-nix.vars.pkr.hcl b/common-nix.vars.pkr.hcl
index bacdd2c63..58c4586f2 100644
--- a/common-nix.vars.pkr.hcl
+++ b/common-nix.vars.pkr.hcl
@@ -1 +1 @@
-postgres-version = "15.6.1.124"
+postgres-version = "15.8.1.000"
diff --git a/nix/postgresql/15.nix b/nix/postgresql/15.nix
index 00dfc0cbb..63f492840 100644
--- a/nix/postgresql/15.nix
+++ b/nix/postgresql/15.nix
@@ -1,4 +1,4 @@
 import ./generic.nix {
-  version = "15.6";
-  hash = "sha256-hFUUbtnGnJOlfelUrq0DAsr60DXCskIXXWqh4X68svs=";
+  version = "15.8";
+  hash = "sha256-RANRX5pp7rPv68mPMLjGlhIr/fiV6Ss7I/W452nty2o=";
 }