diff --git a/Cargo.lock b/Cargo.lock
index 4b9c58c65da..0b9d85ed9ed 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 = "addr2line"
 version = "0.13.0"
@@ -940,9 +942,9 @@ checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 
 [[package]]
 name = "git2"
-version = "0.13.8"
+version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6ac22e49b7d886b6802c66662b12609452248b1bc9e87d6d83ecea3db96f557"
+checksum = "ccf7f68c2995f392c49fffb4f95ae2c873297830eb25c6bc4c114ce8f4562acc"
 dependencies = [
  "bitflags",
  "libc",
@@ -1339,9 +1341,9 @@ checksum = "a2f02823cf78b754822df5f7f268fb59822e7296276d3e069d8e8cb26a14bd10"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.9+1.0.1"
+version = "0.14.2+1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b33bf3d9d4c45b48ae1ea7c334be69994624dc0a69f833d5d9f7605f24b552b"
+checksum = "7f3d95f6b51075fe9810a7ae22c7095f12b98005ab364d8544797a825ce946a4"
 dependencies = [
  "cc",
  "libc",
@@ -1353,9 +1355,9 @@ dependencies = [
 
 [[package]]
 name = "libssh2-sys"
-version = "0.2.18"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eafa907407504b0e683786d4aba47acf250f114d37357d56608333fd167dd0fc"
+checksum = "b094a36eb4b8b8c8a7b4b8ae43b2944502be3e59cd87687595cf6b0a71b3f4ca"
 dependencies = [
  "cc",
  "libc",
@@ -1367,9 +1369,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.0.25"
+version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
+checksum = "9702761c3935f8cc2f101793272e202c72b99da8f4224a19ddcf1279a6450bbf"
 dependencies = [
  "cc",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index 27b71e2df7a..027fa9b22f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ rustdoc-args = [
 [dependencies]
 cargo-registry-s3 = { path = "src/s3", version = "0.2.0" }
 rand = "0.7"
-git2 = "0.13.0"
+git2 = "0.16.1"
 flate2 = "1.0"
 semver = { version = "0.10", features = ["diesel", "serde"] }
 url = "2.1"