diff --git a/pkgs/by-name/al/alive2/package.nix b/pkgs/by-name/al/alive2/package.nix
index e69c134d4d1e..89a3587a85b8 100644
--- a/pkgs/by-name/al/alive2/package.nix
+++ b/pkgs/by-name/al/alive2/package.nix
@@ -24,17 +24,19 @@ clangStdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [
     cmake
+    ninja
+    re2c
   ];
   buildInputs = [
-    re2c
     z3
     hiredis
     llvm_18
-    ninja
   ];
+  strictDeps = true;
 
   postPatch = ''
     substituteInPlace CMakeLists.txt \
+      --replace-fail '-Werror' "" \
       --replace-fail 'find_package(Git REQUIRED)' ""
   '';