diff --git a/pkgs/by-name/si/sipp/package.nix b/pkgs/by-name/si/sipp/package.nix
index 5853b7c021fd..74930f27f569 100644
--- a/pkgs/by-name/si/sipp/package.nix
+++ b/pkgs/by-name/si/sipp/package.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "sipp";
-  version = "3.7.5";
+  version = "3.7.7";
 
   src = fetchFromGitHub {
     owner = "SIPp";
     repo = "sipp";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-W5KOvBBaUmyYJshYEg39QpkS8rrpGSEj4g3NZD29YrY=";
+    hash = "sha256-1JKKD3rEddCzXrbNpbzvhFXlTlkTXlP7vmRXvlGzkgI=";
   };
 
   postPatch = ''