diff --git a/Cargo.lock b/Cargo.lock
index 7bc2b5c..37f1a68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "adler2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -111,7 +117,7 @@ dependencies = [
  "cc",
  "cfg-if",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.7.3",
  "object",
  "rustc-demangle",
 ]
@@ -512,13 +518,13 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.30"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f54427cfd1c7829e2a139fcefea601bf088ebca651d2bf53ebc600eac295dae"
+checksum = "324a1be68054ef05ad64b861cc9eaf1d623d2d8cb25b4bf2cb9cdd902b4bf253"
 dependencies = [
  "crc32fast",
  "libz-sys",
- "miniz_oxide",
+ "miniz_oxide 0.8.0",
 ]
 
 [[package]]
@@ -999,9 +1005,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.16"
+version = "1.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
+checksum = "d2d16453e800a8cf6dd2fc3eb4bc99b786a9b90c663b8559a5b1a041bf89e472"
 dependencies = [
  "cc",
  "pkg-config",
@@ -1041,6 +1047,15 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
+dependencies = [
+ "adler2",
+]
+
 [[package]]
 name = "mio"
 version = "1.0.2"
diff --git a/Cargo.toml b/Cargo.toml
index f1ab278..e791f24 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ description = "A tool to convert Helm charts tarfiles into OCI layout"
 [dependencies]
 anyhow = "1.0.75"
 argh = "0.1.12"
-flate2 = { version = "1.0.24", features = ["zlib"], default-features = false }
+flate2 = { version = "1.0.33", features = ["zlib"], default-features = false }
 ocidir = "0.2.1"
 serde_json = "1.0.105"
 serde_yml = "0.0.12"