diff --git a/.changeset/lazy-ladybugs-jump.md b/.changeset/lazy-ladybugs-jump.md
new file mode 100644
index 000000000000..9bde60378816
--- /dev/null
+++ b/.changeset/lazy-ladybugs-jump.md
@@ -0,0 +1,6 @@
+---
+swc_ecma_utils: patch
+swc_core: patch
+---
+
+feat(es/minifier): Support unary negate in `cast_to_number`
diff --git a/crates/swc_ecma_utils/src/lib.rs b/crates/swc_ecma_utils/src/lib.rs
index a93096a861b5..3e5f07b0444d 100644
--- a/crates/swc_ecma_utils/src/lib.rs
+++ b/crates/swc_ecma_utils/src/lib.rs
@@ -933,17 +933,10 @@ pub trait ExprExt {
                 op: op!(unary, "-"),
                 arg,
                 ..
-            }) if matches!(
-                &**arg,
-                Expr::Ident(Ident {
-                    sym,
-                    ctxt,
-                    ..
-                }) if &**sym == "Infinity" && *ctxt == ctx.unresolved_ctxt
-            ) =>
-            {
-                -f64::INFINITY
-            }
+            }) => match arg.cast_to_number(ctx) {
+                (Pure, Known(v)) => -v,
+                _ => return (MayBeImpure, Unknown),
+            },
             Expr::Unary(UnaryExpr {
                 op: op!("!"),
                 ref arg,