diff --git a/deno.spec b/deno.spec
index 486c1c6..ec9cabc 100644
--- a/deno.spec
+++ b/deno.spec
@@ -71,6 +71,8 @@ updated with the --reload flag.
 cp %{SOURCE2} .cargo/config
 # Drop lock file due to revendor_source.sh breaking check
 rm Cargo.lock
+# drop checksum for ICU 72 -> 73
+echo '{"files":{},"package":""}' > vendor/deno_core/.cargo-checksum.json
 
 %build
 export V8_FROM_SOURCE=1
diff --git a/vendor.tar.xz b/vendor.tar.xz
index bd21e9c..7323779 100644
--- a/vendor.tar.xz
+++ b/vendor.tar.xz
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8c806beeba75c78b6797b635dd61d5c8b5dbd0f09b5f7ed1ed6474d6770821b0
-size 86052056
+oid sha256:caba0715799f56b44631d31dce0b256f2ec6907117eb00debb4aab5f1d786f08
+size 85498916