diff --git a/Cargo.lock b/Cargo.lock
index d560cfbc..4bbf2f1f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -244,7 +244,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libdeflater"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.52 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -342,7 +342,7 @@ dependencies = [
  "image 0.23.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libdeflater 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libdeflater 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz_oxide 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -599,7 +599,7 @@ dependencies = [
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum libc 0.2.69 (registry+https://github.com/rust-lang/crates.io-index)" = "99e85c08494b21a9054e7fe1374a732aeadaff3980b6990b94bfd3a70f690005"
-"checksum libdeflater 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "66dca08b13369865b2f6dca1dd05f833985cbe6c12a676b04d55f78b85e80246"
+"checksum libdeflater 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "98db971711d310b29683ff4877f39922eb6424d8c1d8773991db4d9a71c2db73"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 "checksum memoffset 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
diff --git a/Cargo.toml b/Cargo.toml
index d1e59c64..89b33ad0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ zopfli = "^0.4.0"
 miniz_oxide = "0.3"
 rgb = "0.8.18"
 indexmap = { version = "1.4.0", features = ["rayon"] }
-libdeflater = "0.2.0"
+libdeflater = "0.3.0"
 log = "0.4.8"
 stderrlog = { version = "0.4.3", optional = true }