diff --git a/Cargo.lock b/Cargo.lock
index 7b0b2fd..378b04e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,32 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "aho-corasick"
-version = "0.7.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
-dependencies = [
- "memchr",
-]
-
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
-[[package]]
-name = "autocfg"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
-
 [[package]]
 name = "bearssl"
 version = "0.0.2-pre.0"
@@ -49,15 +23,13 @@ dependencies = [
 
 [[package]]
 name = "bindgen"
-version = "0.60.1"
+version = "0.61.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "062dddbc1ba4aca46de6338e2bf87771414c335f7b2f2036e8f3e9befebf88e6"
+checksum = "8a022e58a142a46fea340d68012b9201c094e93ec3d033a944a24f8fd4a4f09a"
 dependencies = [
  "bitflags",
  "cexpr",
  "clang-sys",
- "clap",
- "env_logger",
  "lazy_static",
  "lazycell",
  "log",
@@ -67,6 +39,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
+ "syn",
  "which",
 ]
 
@@ -108,49 +81,12 @@ dependencies = [
  "libloading",
 ]
 
-[[package]]
-name = "clap"
-version = "3.2.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
-dependencies = [
- "atty",
- "bitflags",
- "clap_lex",
- "indexmap",
- "strsim",
- "termcolor",
- "textwrap",
-]
-
-[[package]]
-name = "clap_lex"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
-dependencies = [
- "os_str_bytes",
-]
-
 [[package]]
 name = "either"
 version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
-[[package]]
-name = "env_logger"
-version = "0.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c90bf5f19754d10198ccb95b70664fc925bd1fc090a0fd9a6ebc54acc8cd6272"
-dependencies = [
- "atty",
- "humantime",
- "log",
- "regex",
- "termcolor",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.8"
@@ -168,37 +104,6 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
-[[package]]
-name = "hashbrown"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
-
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "humantime"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
-
-[[package]]
-name = "indexmap"
-version = "1.9.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e"
-dependencies = [
- "autocfg",
- "hashbrown",
-]
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -264,12 +169,6 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
 
-[[package]]
-name = "os_str_bytes"
-version = "6.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3baf96e39c5359d2eb0dd6ccb42c62b91d9678aa68160d261b9e0ccbf9e9dea9"
-
 [[package]]
 name = "peeking_take_while"
 version = "0.1.2"
@@ -309,8 +208,6 @@ version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
 dependencies = [
- "aho-corasick",
- "memchr",
  "regex-syntax",
 ]
 
@@ -333,26 +230,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
-name = "strsim"
-version = "0.10.0"
+name = "syn"
+version = "1.0.103"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
-
-[[package]]
-name = "termcolor"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
+checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
 dependencies = [
- "winapi-util",
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.16.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.5"
@@ -392,15 +279,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
diff --git a/bearssl-sys/Cargo.toml b/bearssl-sys/Cargo.toml
index 9642cef..31b9be1 100644
--- a/bearssl-sys/Cargo.toml
+++ b/bearssl-sys/Cargo.toml
@@ -9,7 +9,7 @@ build = "build/main.rs"
 categories = ["cryptography", "no-std", "external-ffi-bindings"]
 keywords = ["bearssl", "crypto", "tls", "ssl"]
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [badges]
 maintenance = { status = "actively-developed" }
@@ -18,7 +18,7 @@ maintenance = { status = "actively-developed" }
 libc = { version = "0.2.137", optional = true }
 
 [build-dependencies]
-bindgen = "0.60.1"
+bindgen = "0.61.0"
 cc = { version =  "1.0.73", optional = true }
 
 [features]
diff --git a/bearssl/Cargo.toml b/bearssl/Cargo.toml
index e02438a..f107d61 100644
--- a/bearssl/Cargo.toml
+++ b/bearssl/Cargo.toml
@@ -8,7 +8,7 @@ readme = "README.md"
 categories = ["cryptography", "no-std", "api-bindings"]
 keywords = ["bearssl", "crypto", "tls", "ssl"]
 edition = "2021"
-rust-version = "1.64"
+rust-version = "1.65"
 
 [badges]
 maintenance = { status = "actively-developed" }