diff --git a/Cargo.lock b/Cargo.lock
index a56c80f..03d6006 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -203,9 +203,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.23"
+version = "0.13.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a8057932925d3a9d9e4434ea016570d37420ddb1ceed45a174d577f24ed6700"
+checksum = "845e007a28f1fcac035715988a234e8ec5458fd825b20a20c7dec74237ef341f"
 dependencies = [
  "bitflags",
  "libc",
@@ -287,15 +287,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.107"
+version = "0.2.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbe5e23404da5b4f555ef85ebed98fb4083e55a00c317800bc2a50ede9f3d219"
+checksum = "8521a1b57e76b1ec69af7599e75e38e7b7fad6610f037db8c79b127201b5d119"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.24+1.3.0"
+version = "0.12.25+1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddbd6021eef06fb289a8f54b3c2acfdd85ff2a585dfbb24b8576325373d2152c"
+checksum = "8f68169ef08d6519b2fe133ecc637408d933c0174b23b80bb2f79828966fbaab"
 dependencies = [
  "cc",
  "libc",
@@ -406,9 +406,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.70"
+version = "0.9.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6517987b3f8226b5da3661dad65ff7f300cc59fb5ea8333ca191fc65fde3edf"
+checksum = "7df13d165e607909b363a4757a6f133f8a818a74e9d3a98d09c6128e15fa4c73"
 dependencies = [
  "autocfg",
  "cc",