diff --git a/pkgs/by-name/si/sipp/package.nix b/pkgs/by-name/si/sipp/package.nix
index 0e07d4396ac8..5853b7c021fd 100644
--- a/pkgs/by-name/si/sipp/package.nix
+++ b/pkgs/by-name/si/sipp/package.nix
@@ -11,16 +11,20 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "sipp";
-  version = "3.7.3-unstable-2025-01-22";
+  version = "3.7.5";
 
   src = fetchFromGitHub {
     owner = "SIPp";
     repo = "sipp";
-    rev = "464cf74c7321069b51c10f0c37f19ba16c2e7138";
-    hash = "sha256-mloeBKgDXmsa/WAUhlDsgNdhK8dpisGf3ti5UQQchJ8=";
-    leaveDotGit = true;
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-W5KOvBBaUmyYJshYEg39QpkS8rrpGSEj4g3NZD29YrY=";
   };
 
+  postPatch = ''
+    echo '#define SIPP_VERSION VERSION' > include/version.h
+    echo '#define VERSION "v${finalAttrs.version}"' >> include/version.h
+  '';
+
   cmakeFlags = [
     "-DUSE_PCAP=1"
     "-DUSE_SSL=1"