diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1fdbbd83..7aa63700 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### Next
+
+- [Bugfix] Fix an issue where Zopfli mode could generate corrupt images
+
 ### Version 6.0.0
 
 - [Breaking] Bump minimum Rust version to 1.57.0
diff --git a/Cargo.lock b/Cargo.lock
index 092ff162..3c3366bf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -184,15 +184,6 @@ dependencies = [
  "once_cell",
 ]
 
-[[package]]
-name = "deflate"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c86f7e25f518f4b81808a2cf1c50996a61f5c2eb394b2393bd87f2a4780a432f"
-dependencies = [
- "adler32",
-]
-
 [[package]]
 name = "either"
 version = "1.8.0"
@@ -211,6 +202,16 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "flate2"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide 0.5.4",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.0"
@@ -410,13 +411,13 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.17.5"
+version = "0.17.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc38c0ad57efb786dd57b9864e5b18bae478c00c824dc55a38bbc9da95dde3ba"
+checksum = "8f0e7f4c94ec26ff209cee506314212639d6c91b80afb82984819fafce9df01c"
 dependencies = [
  "bitflags",
  "crc32fast",
- "deflate",
+ "flate2",
  "miniz_oxide 0.5.4",
 ]
 
@@ -616,9 +617,9 @@ checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
 
 [[package]]
 name = "zopfli"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4f3cae89ab7952cf7f091fffda70f373ba3ee110ac6221b3b6c3c285b04f82e"
+checksum = "f1e0d16c30236860686a8f03d36b384dc2fc0675a8916367d2f9a1ecd795eab6"
 dependencies = [
  "adler32",
  "byteorder",
diff --git a/Cargo.toml b/Cargo.toml
index eb169606..4af064d7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ required-features = ["binary"]
 bit-vec = "0.6.3"
 crc = "3.0.0"
 itertools = "0.10.3"
-zopfli = { version = "0.7.0", optional = true }
+zopfli = { version = "0.7.1", optional = true }
 miniz_oxide = "0.6.2"
 rgb = "0.8.33"
 indexmap = "1.9.1"
@@ -45,7 +45,7 @@ version = "1.5.3"
 
 [dependencies.clap]
 optional = true
-version = "3.2.17"
+version = "3.2.20"
 
 [dependencies.wild]
 optional = true