diff --git a/Cargo.lock b/Cargo.lock
index 31208e23..c6ace06f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -191,15 +191,15 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.23.5"
+version = "0.23.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytemuck 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-iter 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-rational 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-rational 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.16.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.16.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -211,14 +211,6 @@ dependencies = [
  "rayon 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "inflate"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "itertools"
 version = "0.9.0"
@@ -308,7 +300,7 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.2.4"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -347,7 +339,7 @@ dependencies = [
  "clap 2.33.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cloudflare-zlib 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.23.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.23.6 (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 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -363,13 +355,13 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.16.3"
+version = "0.16.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "deflate 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -601,9 +593,8 @@ dependencies = [
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 "checksum glob 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 "checksum hermit-abi 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "61565ff7aaace3525556587bd2dc31d4a07071957be715e63ce7b1eccf51a8f4"
-"checksum image 0.23.5 (registry+https://github.com/rust-lang/crates.io-index)" = "d534e95ad8b9d5aa614322d02352b4f1bf962254adcf02ac6f2def8be18498e8"
+"checksum image 0.23.6 (registry+https://github.com/rust-lang/crates.io-index)" = "b5b0553fec6407d63fe2975b794dfb099f3f790bdc958823851af37b26404ab4"
 "checksum indexmap 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
-"checksum inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "1cdb29978cc5797bd8dcc8e5bf7de604891df2a8dc576973d71a281e916db2ff"
 "checksum itertools 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284f18f85651fe11e8a991b2adb42cb078325c996ed026d994719efcfca1d54b"
 "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"
@@ -616,11 +607,11 @@ dependencies = [
 "checksum miniz_oxide 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
 "checksum num-integer 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
 "checksum num-iter 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "dfb0800a0291891dd9f4fe7bd9c19384f98f7fbe0cd0f39a2c6b88b9868bbc00"
-"checksum num-rational 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5c000134b5dbf44adc5cb772486d335293351644b801551abe8f75c84cfa4aef"
+"checksum num-rational 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
 "checksum num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
 "checksum num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
 "checksum numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8f8bdf33df195859076e54ab11ee78a1b208382d3a26ec40d142ffc1ecc49ef"
-"checksum png 0.16.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2c68a431ed29933a4eb5709aca9800989758c97759345860fa5db3cfced0b65d"
+"checksum png 0.16.5 (registry+https://github.com/rust-lang/crates.io-index)" = "34ccdd66f6fe4b2433b07e4728e9a013e43233120427046e93ceb709c3a439bf"
 "checksum rayon 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
 "checksum rayon-core 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"