diff --git a/Cargo.lock b/Cargo.lock
index c7f5635..ecb55b1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -284,9 +284,9 @@ checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "base64ct"
-version = "1.8.0"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55248b47b0caf0546f7988906588779981c43bb1bc9d0c44087278f80cdb44ba"
+checksum = "0e050f626429857a27ddccb31e0aca21356bfa709c04041aefddac081a8f068a"
 
 [[package]]
 name = "bincode"
@@ -783,9 +783,9 @@ checksum = "f27ae1dd37df86211c42e150270f82743308803d90a6f6e6651cd730d5e1732f"
 
 [[package]]
 name = "curve25519-dalek"
-version = "5.0.0-pre.2"
+version = "5.0.0-pre.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d8cfa313d59919eda35b420bd37db85bf58d6754d6f128b9949932b0c0fcce7"
+checksum = "92419e1cdc506051ffd30713ad09d0ec6a24bba9197e12989de389e35b19c77a"
 dependencies = [
  "cfg-if",
  "cpufeatures",
@@ -916,9 +916,9 @@ dependencies = [
 
 [[package]]
 name = "ed25519-dalek"
-version = "3.0.0-pre.2"
+version = "3.0.0-pre.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbef01b6e6a5f913ae480bb34ddd798ce6d358054bebf77177200ec84af61ad5"
+checksum = "5d6d275a4ffdfc16e98fbcb5f5417214a06957c7cdc6eb2815c2dc50dce1c1dd"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
@@ -1058,9 +1058,9 @@ checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
 
 [[package]]
 name = "flate2"
-version = "1.1.7"
+version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2152dbcb980c05735e2a651d96011320a949eb31a0c8b38b72645ce97dec676"
+checksum = "bfe33edd8e85a12a67454e37f8c75e730830d83e313556ab9ebf9ee7fbeb3bfb"
 dependencies = [
  "crc32fast",
  "miniz_oxide",