diff --git a/Cargo.lock b/Cargo.lock
index f61ee3c..ee5c6c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -102,13 +102,12 @@ dependencies = [
 
 [[package]]
 name = "bitcoin"
-version = "0.32.9"
+version = "0.32.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cf93e61f2dbc3e3c41234ca26a65e2c0b0975c52e0f069ab9893ebbede584d3"
+checksum = "39581299241111285f3268ba75ddf372746fd041620918b145c1af9d75e91b6c"
 dependencies = [
  "base58ck",
  "bech32",
- "bitcoin-internals",
  "bitcoin-io",
  "bitcoin-units",
  "bitcoin_hashes",
@@ -123,9 +122,6 @@ name = "bitcoin-internals"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "30bdbe14aa07b06e6cfeffc529a1f099e5fbe249524f8125358604df99a4bed2"
-dependencies = [
- "serde",
-]
 
 [[package]]
 name = "bitcoin-io"
@@ -141,11 +137,10 @@ checksum = "0c188654f9dce3bc6ce1bfa9c49777ad514bcad37e421b5f53e9d0ee10603f34"
 
 [[package]]
 name = "bitcoin-units"
-version = "0.1.2"
+version = "0.1.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5285c8bcaa25876d07f37e3d30c303f2609179716e11d688f51e8f1fe70063e2"
+checksum = "57bad157b78d0d1b22c4cbb6a35a566211fc4d14866a37f2c780652b50f3b845"
 dependencies = [
- "bitcoin-internals",
  "serde",
 ]