diff --git a/Cargo.toml b/Cargo.toml
index 4870c382..f87f023b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,9 +16,9 @@ byteorder = "1.4.3"
 bzip2 = { version = "0.4.3", optional = true }
 constant_time_eq = { version = "0.1.5", optional = true }
 crc32fast = "1.3.2"
-flate2 = { version = "1.0.22", default-features = false, optional = true }
+flate2 = { version = "1.0.23", default-features = false, optional = true }
 hmac = { version = "0.12.1", optional = true, features = ["reset"] }
-pbkdf2 = {version = "0.10.1", optional = true }
+pbkdf2 = {version = "0.11.0", optional = true }
 sha1 = {version = "0.10.1", optional = true }
 time = { version = "0.3.7", features = ["formatting", "macros" ], optional = true }
 zstd = { version = "0.11.0", optional = true }