diff --git a/src/tools/miri/cargo-miri/Cargo.lock b/src/tools/miri/cargo-miri/Cargo.lock
index 95c2bda505c5b..52f2f0f1f0008 100644
--- a/src/tools/miri/cargo-miri/Cargo.lock
+++ b/src/tools/miri/cargo-miri/Cargo.lock
@@ -167,9 +167,9 @@ dependencies = [
 
 [[package]]
 name = "git2"
-version = "0.13.25"
+version = "0.17.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f29229cc1b24c0e6062f6e742aa3e256492a5323365e5ed3413599f8a5eff7d6"
+checksum = "7b989d6a7ca95a362cf2cfc5ad688b3a467be1f87e480b8dad07fee8c79b0044"
 dependencies = [
  "bitflags",
  "libc",
@@ -212,9 +212,9 @@ checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.12.26+1.3.0"
+version = "0.15.2+1.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e1c899248e606fbfe68dcb31d8b0176ebab833b103824af31bddf4b7457494"
+checksum = "a80df2e11fb4a61f4ba2ab42dbe7f74468da143f1a75c74e11dee7c813f694fa"
 dependencies = [
  "cc",
  "libc",