diff --git a/oxipng-fix-metadata.diff b/oxipng-fix-metadata.diff
index 00482f2..117b68b 100644
--- a/oxipng-fix-metadata.diff
+++ b/oxipng-fix-metadata.diff
@@ -1,5 +1,5 @@
 --- oxipng-5.0.1/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ oxipng-5.0.1/Cargo.toml	2021-12-15T17:02:37.876072+00:00
++++ oxipng-5.0.1/Cargo.toml	2022-01-17T23:31:54.908377+00:00
 @@ -78,7 +78,7 @@
  version = "0.4.14"
  
@@ -9,3 +9,12 @@
  
  [dependencies.rayon]
  version = "^1.5.0"
+@@ -96,7 +96,7 @@
+ optional = true
+ 
+ [dependencies.zopfli]
+-version = "^0.4.0"
++version = "^0.5.0"
+ optional = true
+ [build-dependencies.rustc_version]
+ version = "0.4"
diff --git a/rust-oxipng.spec b/rust-oxipng.spec
index b126bf5..1dcfc31 100644
--- a/rust-oxipng.spec
+++ b/rust-oxipng.spec
@@ -14,6 +14,7 @@ URL:            https://crates.io/crates/oxipng
 Source:         %{crates_source}
 # Initial patched metadata
 # Downgrade miniz_oxide to version 0.4
+# Upgrade zopfli to version 0.5
 Patch0:         oxipng-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}