diff --git a/pkgs/servers/sql/postgresql/ext/pgvector.nix b/pkgs/servers/sql/postgresql/ext/pgvector.nix
index 75abceb7fc76..26b330b3b5b2 100644
--- a/pkgs/servers/sql/postgresql/ext/pgvector.nix
+++ b/pkgs/servers/sql/postgresql/ext/pgvector.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "pgvector";
-  version = "0.5.0";
+  version = "0.5.1";
 
   src = fetchFromGitHub {
     owner = "pgvector";
     repo = "pgvector";
     rev = "v${version}";
-    hash = "sha256-7GRqGgU15VQAY0wvZqfPU9og7s+/0NlOpTMclXPVwlQ=";
+    hash = "sha256-ZNzq+dATZn9LUgeOczsaadr5hwdbt9y/+sAOPIdr77U=";
   };
 
   buildInputs = [ postgresql ];