diff --git a/build.zig b/build.zig
index 152ae161d8..06ba1aab65 100644
--- a/build.zig
+++ b/build.zig
@@ -491,7 +491,7 @@ pub fn build(b: *std.Build) !void {
         .skip_linux = skip_linux,
         .skip_llvm = skip_llvm,
         .skip_libc = skip_libc,
-        .max_rss = 3_500_000_000,
+        .max_rss = 4_000_000_000,
     }));
 
     test_modules_step.dependOn(tests.addModuleTests(b, .{
@@ -517,7 +517,7 @@ pub fn build(b: *std.Build) !void {
         .skip_llvm = skip_llvm,
         .skip_libc = true,
         .no_builtin = true,
-        .max_rss = 2_000_000_000,
+        .max_rss = 4_000_000_000,
     }));
 
     test_modules_step.dependOn(tests.addModuleTests(b, .{