diff --git a/Cargo.lock b/Cargo.lock
index 686dc7444a..ac9e17cab9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2554,9 +2554,9 @@ dependencies = [
 
 [[package]]
 name = "lightningcss"
-version = "1.0.0-alpha.56"
+version = "1.0.0-alpha.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "668e9f1774a4dda9e2233ad0f78c6987878bcf4201d2085bc3517a7f84d0ee92"
+checksum = "10bc10261f46b8df263b80e7779d1748b1880488cd951fbb9e096430cead10e6"
 dependencies = [
  "ahash 0.8.9",
  "bitflags 2.5.0",
@@ -2566,7 +2566,6 @@ dependencies = [
  "dashmap",
  "data-encoding",
  "getrandom",
- "indexmap 2.2.6",
  "itertools 0.10.5",
  "lazy_static",
  "lightningcss-derive",
diff --git a/Cargo.toml b/Cargo.toml
index d1b05b298c..33bd6db6a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -90,7 +90,7 @@ indoc = "2.0.0"
 itertools = "0.10.5"
 lazy_static = "1.4.0"
 log = "0.4.17"
-lightningcss = { version = "1.0.0-alpha.56", features = [
+lightningcss = { version = "1.0.0-alpha.57", features = [
   "serde",
   "visitor",
   "into_owned",