diff --git a/Cargo.lock b/Cargo.lock
index 7a99121..ec08058 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1061,18 +1061,18 @@ dependencies = [
 
 [[package]]
 name = "ptr_meta"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9e76f66d3f9606f44e45598d155cb13ecf09f4a28199e48daf8c8fc937ea90"
+checksum = "0b9a0cf95a1196af61d4f1cbdab967179516d9a4a4312af1f31948f8f6224a79"
 dependencies = [
  "ptr_meta_derive",
 ]
 
 [[package]]
 name = "ptr_meta_derive"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca414edb151b4c8d125c12566ab0d74dc9cdba36fb80eb7b848c15f495fd32d1"
+checksum = "7347867d0a7e1208d93b46767be83e2b8f978c3dad35f775ac8d8847551d6fe1"
 dependencies = [
  "proc-macro2",
  "quote",