diff --git a/pkgs/by-name/sr/srt/package.nix b/pkgs/by-name/sr/srt/package.nix
index d18eb371675b..f406fa154543 100644
--- a/pkgs/by-name/sr/srt/package.nix
+++ b/pkgs/by-name/sr/srt/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   openssl,
   windows,
@@ -27,7 +28,15 @@ stdenv.mkDerivation rec {
     windows.pthreads
   ];
 
-  patches = lib.optionals stdenv.hostPlatform.isMinGW [
+  patches = [
+    # Fix the build with CMake 4.
+    (fetchpatch {
+      name = "srt-fix-cmake-4.patch";
+      url = "https://github.com/Haivision/srt/commit/0def1b1a1094fc57752f241250e9a1aed71bbffd.patch";
+      hash = "sha256-dnBGNut+I9trkQzr81Wo36O2Pt7d2gsjA1buJBegPMM=";
+    })
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isMinGW [
     ./no-msvc-compat-headers.patch
   ];