--- oxipng-5.0.0/Cargo.toml	1970-01-01T00:00:01+00:00
+++ oxipng-5.0.0/Cargo.toml	2021-07-12T05:29:27.914572+00:00
@@ -51,7 +51,7 @@
 optional = true
 
 [dependencies.crc]
-version = "^2.0.0"
+version = "^1.9.0"
 
 [dependencies.crossbeam-channel]
 version = "0.5.0"
@@ -100,7 +100,7 @@
 version = "^0.4.0"
 optional = true
 [build-dependencies.rustc_version]
-version = "0.4"
+version = "0.3"
 
 [features]
 binary = ["clap", "wild", "stderrlog"]