diff --git a/Cargo.lock b/Cargo.lock
index 48c2bde..d9f1cb4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "cc"
 version = "1.0.68"
@@ -73,11 +79,11 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.20"
+version = "0.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9831e983241f8c5591ed53f17d874833e2fa82cac2625f3888c50cbfe136cba"
+checksum = "12ef350ba88a33b4d524b1d1c79096c9ade5ef8c59395df0e60d1e1889414c0e"
 dependencies = [
- "bitflags",
+ "bitflags 2.4.0",
  "libc",
  "libgit2-sys",
  "log",
@@ -124,9 +130,9 @@ checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.21+1.1.0"
+version = "0.16.1+1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86271bacd72b2b9e854c3dcfb82efd538f15f870e4c11af66900effb462f6825"
+checksum = "f2a2bb3680b094add03bb3732ec520ece34da31a8cd2d633d1389d0f0fb60d0c"
 dependencies = [
  "cc",
  "libc",
@@ -138,9 +144,9 @@ dependencies = [
 
 [[package]]
 name = "libssh2-sys"
-version = "0.2.21"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0186af0d8f171ae6b9c4c90ec51898bad5d08a2d5e470903a50d9ad8959cbee"
+checksum = "2dc8a030b787e2119a731f1951d6a773e2280c660f8ec4b0f5e1505a386e71ee"
 dependencies = [
  "cc",
  "libc",
@@ -242,7 +248,7 @@ version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5ab49abadf3f9e1c4bc499e8845e152ad87d2ad2d30371841171169e9d75feee"
 dependencies = [
- "bitflags",
+ "bitflags 1.2.1",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 1ed9063..7154347 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Matthew Dillon <matthewrdillon@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-git2 = { version = "0.13", features = ["vendored-openssl"] }
+git2 = { version = "0.18", features = ["vendored-openssl"] }
 serde = { version = "1.0", features = ["derive"] }
 shellexpand = "2.1"
 toml = "0.5"