diff --git a/pkgs/servers/sql/postgresql/ext/pg_partman.nix b/pkgs/servers/sql/postgresql/ext/pg_partman.nix
index fb690e96328..d2e7dd37be1 100644
--- a/pkgs/servers/sql/postgresql/ext/pg_partman.nix
+++ b/pkgs/servers/sql/postgresql/ext/pg_partman.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   pname = "pg_partman";
-  version = "4.4.1";
+  version = "4.5.1";
 
   buildInputs = [ postgresql ];
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     owner  = "pgpartman";
     repo   = pname;
     rev    = "refs/tags/v${version}";
-    sha256 = "sha256-jFG2Zna97FHZin2V3Cwy5JcdeFh09Yy/eoyHtcCorPA=";
+    sha256 = "182yqvgcpgw99swn7w516f6d1bid2gnmf6dfsgmldx5viz0d6vi0";
   };
 
   installPhase = ''