diff --git a/pkgs/by-name/el/elfio/package.nix b/pkgs/by-name/el/elfio/package.nix
index a479c71f8ecd..5d6c06773f7e 100644
--- a/pkgs/by-name/el/elfio/package.nix
+++ b/pkgs/by-name/el/elfio/package.nix
@@ -4,24 +4,45 @@
   fetchFromGitHub,
   cmake,
   boost,
+  gtest,
+  fetchpatch,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "elfio";
-  version = "3.10";
+  version = "3.12";
 
   src = fetchFromGitHub {
     owner = "serge1";
     repo = "elfio";
     rev = "Release_${finalAttrs.version}";
-    sha256 = "sha256-DuZhkiHXdCplRiOy1Gsu7voVPdCbFt+4qFqlOeOeWQw=";
+    sha256 = "sha256-tDRBscs2L/3gYgLQvb1+8nNxqkr8v1xBkeDXuOqShX4=";
   };
 
+  patches = [
+    # Add missing #include <stdint.h> for gcc 15
+    (fetchpatch {
+      url = "https://github.com/serge1/ELFIO/commit/34d2c64237bb40f09879e7421db120e50e7e2923.patch";
+      hash = "sha256-HD+rOwqkuvu4lgeIHhiORNxpuowDfy94i0OgUVqbhJ8=";
+    })
+    # Replace including of <stdint.h> by <cstdint>
+    (fetchpatch {
+      url = "https://github.com/serge1/ELFIO/commit/575bfdb12cd90fa8913660295103549f151d116a.patch";
+      hash = "sha256-9N/NC5U+zs9eFKYLw/kVdrMGySWakWH7HG4fsK0mvNw=";
+    })
+  ];
+
   nativeBuildInputs = [ cmake ];
 
-  nativeCheckInputs = [ boost ];
+  nativeCheckInputs = [
+    boost
+    gtest
+  ];
 
-  cmakeFlags = [ "-DELFIO_BUILD_TESTS=ON" ];
+  cmakeFlags = [
+    "-DELFIO_BUILD_TESTS=ON"
+    "-DFETCHCONTENT_TRY_FIND_PACKAGE_MODE=ALWAYS"
+  ];
 
   doCheck = true;