diff --git a/Cargo.lock b/Cargo.lock
index 4bd1cff..8b87a36 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -435,9 +435,9 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "bytes"
-version = "1.11.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b35204fbdc0b3f4446b89fc1ac2cf84a8a68971995d0bf2e925ec7cd960f9cb3"
+checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
 
 [[package]]
 name = "cc"
@@ -1368,9 +1368,9 @@ checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
 
 [[package]]
 name = "git2"
-version = "0.19.0"
+version = "0.20.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b903b73e45dc0c6c596f2d37eccece7c1c8bb6e4407b001096387c63d0d93724"
+checksum = "7b88256088d75a56f8ecfa070513a775dd9107f6530ef14919dac831af9cfe2b"
 dependencies = [
  "bitflags 2.10.0",
  "libc",
@@ -2223,9 +2223,9 @@ checksum = "37c93d8daa9d8a012fd8ab92f088405fb202ea0b6ab73ee2482ae66af4f42091"
 
 [[package]]
 name = "libgit2-sys"
-version = "0.17.0+1.8.1"
+version = "0.18.3+1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10472326a8a6477c3c20a64547b0059e4b0d086869eee31e6d7da728a8eb7224"
+checksum = "c9b3acc4b91781bb0b3386669d325163746af5f6e4f73e6d2d630e09a35f3487"
 dependencies = [
  "cc",
  "libc",
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 454c946..1db4f4d 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -49,7 +49,7 @@ glob = "0.3"
 ignore = "0.4"
 
 # Git operations (vendored for cross-platform builds)
-git2 = { version = "0.19", default-features = false, features = ["vendored-libgit2", "vendored-openssl"] }
+git2 = { version = "0.20", default-features = false, features = ["vendored-libgit2", "vendored-openssl"] }
 
 # Terminal output
 colored = "2.1"
diff --git a/integration/Cargo.toml b/integration/Cargo.toml
index 74c88a0..1aff420 100644
--- a/integration/Cargo.toml
+++ b/integration/Cargo.toml
@@ -55,7 +55,7 @@ wiremock = "0.6"
 tempfile = "3.9"
 
 # Git operations for testing hooks
-git2 = "0.19"
+git2 = "0.20"
 
 # Command execution for testing hooks
 subprocess = "0.2"