diff --git a/Cargo.lock b/Cargo.lock
index 9355de1..625e7d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -32,6 +34,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d155346769a6855b86399e9bc3814ab343cd3d62c7e985113d46a0ec3c281fd"
 
+[[package]]
+name = "bitflags"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
+
 [[package]]
 name = "cc"
 version = "1.0.45"
@@ -56,7 +64,7 @@ checksum = "5067f5bb2d80ef5d68b4c87db81601f0b75bca627bc2ef76b141d7b846a3c6d9"
 dependencies = [
  "ansi_term",
  "atty",
- "bitflags",
+ "bitflags 1.1.0",
  "strsim",
  "textwrap",
  "unicode-width",
@@ -84,11 +92,11 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.25"
+version = "0.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f29229cc1b24c0e6062f6e742aa3e256492a5323365e5ed3413599f8a5eff7d6"
+checksum = "232e6a7bfe35766bf715e55a88b39a700596c0ccfd88cd3680b4cdb40d66ef70"
 dependencies = [
- "bitflags",
+ "bitflags 2.5.0",
  "libc",
  "libgit2-sys",
  "log",
@@ -142,9 +150,9 @@ checksum = "34fcd2c08d2f832f376f4173a231990fa5aef4e99fb569867318a227ef4c06ba"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.26+1.3.0"
+version = "0.16.2+1.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e1c899248e606fbfe68dcb31d8b0176ebab833b103824af31bddf4b7457494"
+checksum = "ee4126d8b4ee5c9d9ea891dd875cfdc1e9d0950437179104b183d7d8a74d24e8"
 dependencies = [
  "cc",
  "libc",
@@ -156,9 +164,9 @@ dependencies = [
 
 [[package]]
 name = "libssh2-sys"
-version = "0.2.19"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca46220853ba1c512fc82826d0834d87b06bcd3c2a42241b7de72f3d2fe17056"
+checksum = "2dc8a030b787e2119a731f1951d6a773e2280c660f8ec4b0f5e1505a386e71ee"
 dependencies = [
  "cc",
  "libc",
@@ -237,9 +245,9 @@ checksum = "ba4f28a6faf4ffea762ba8f4baef48c61a6db348647c73095034041fc79dd954"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.14"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "676e8eb2b1b4c9043511a9b7bea0915320d7e502b0a079fb03f9635a5252b18c"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
 [[package]]
 name = "proc-macro-error"
diff --git a/Cargo.toml b/Cargo.toml
index 33f62d3..4cd790b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,5 +15,5 @@ categories = ["command-line-utilities"]
 edition = "2018"
 
 [dependencies]
-git2 = "0.13"
+git2 = "0.18"
 structopt = "0.3"