diff --git a/src/ci/citool/Cargo.lock b/src/ci/citool/Cargo.lock
index fe1c92f049e0..a208de47256c 100644
--- a/src/ci/citool/Cargo.lock
+++ b/src/ci/citool/Cargo.lock
@@ -170,6 +170,7 @@ dependencies = [
  "clap",
  "csv",
  "diff",
+ "flate2",
  "glob-match",
  "insta",
  "serde",
@@ -344,12 +345,13 @@ checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
 [[package]]
 name = "flate2"
-version = "1.1.0"
+version = "1.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11faaf5a5236997af9848be0bef4db95824b1d534ebc64d0f0c6cf3e67bd38dc"
+checksum = "843fba2746e448b37e26a819579957415c8cef339bf08564fe8b7ddbd959573c"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
+ "zlib-rs",
 ]
 
 [[package]]
@@ -630,6 +632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be647b768db090acb35d5ec5db2b0e1f1de11133ca123b9eacf5137868f892a"
 dependencies = [
  "adler2",
+ "simd-adler32",
 ]
 
 [[package]]
@@ -812,6 +815,12 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "703d5c7ef118737c72f1af64ad2f6f8c5e1921f818cdcb97b8fe6fc69bf66214"
+
 [[package]]
 name = "similar"
 version = "2.7.0"
@@ -1187,3 +1196,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zlib-rs"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3be3d40e40a133f9c916ee3f9f4fa2d9d63435b5fbe1bfc6d9dae0aa0ada1513"
diff --git a/src/ci/citool/Cargo.toml b/src/ci/citool/Cargo.toml
index 0b1f2fe79bf7..f97d5e807fcc 100644
--- a/src/ci/citool/Cargo.toml
+++ b/src/ci/citool/Cargo.toml
@@ -9,6 +9,7 @@ askama = "0.15.4"
 clap = { version = "4.5", features = ["derive"] }
 csv = "1"
 diff = "0.1"
+flate2 = { version = "1.1.9", default-features = false, features = ["zlib-rs"] } # For feature flag only
 glob-match = "0.2"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.9"