diff --git a/pkgs/servers/http/nginx/modules.nix b/pkgs/servers/http/nginx/modules.nix
index 2749831f6c3..ffece820bd0 100644
--- a/pkgs/servers/http/nginx/modules.nix
+++ b/pkgs/servers/http/nginx/modules.nix
@@ -125,8 +125,8 @@
     src = fetchFromGitHub {
       owner = "stogh";
       repo = "ngx_http_auth_pam_module";
-      rev = "v1.4";
-      sha256 = "068zwyrc1dji55rlaj2kx6n0v2n5rpj7nz26ipvz26ida712md35";
+      rev = "v1.5.1";
+      sha256 = "031q006bcv10dzxi3mzamqiyg14p48v0bzd5mrwz073pbf0ba2fl";
     };
     inputs = [ pkgs.pam ];
   };