diff --git a/Cargo.lock b/Cargo.lock
index dae909cf..d3d007d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,7 +7,7 @@ dependencies = [
  "clap 2.20.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "clippy 0.0.118 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "image 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "miniz-sys 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -155,28 +155,22 @@ name = "gcc"
 version = "0.3.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "glob"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "image"
-version = "0.12.3"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "enum_primitive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-iter 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "png 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "inflate"
-version = "0.1.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -274,12 +268,12 @@ dependencies = [
 
 [[package]]
 name = "png"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "deflate 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "inflate 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inflate 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-iter 0.1.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -529,9 +523,8 @@ dependencies = [
 "checksum either 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "63f94a35a9ca0d4178e85f0250373f2cea55c5d603e6993778d68a99b3d8071c"
 "checksum enum_primitive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "be4551092f4d519593039259a9ed8daedf0da12e5109c5280338073eaeb81180"
 "checksum gcc 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)" = "c07c758b972368e703a562686adb39125707cc1ef3399da8c019fc6c2498a75d"
-"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
-"checksum image 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "979bad0502082fd60053a490282e87d6c89650942e3a270e0d4c83569c7f5899"
-"checksum inflate 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e7e0062d2dc2f17d2f13750d95316ae8a2ff909af0fda957084f5defd87c43bb"
+"checksum image 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1c3f4f5ea213ed9899eca760a8a14091d4b82d33e27cf8ced336ff730e9f6da8"
+"checksum inflate 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d1238524675af3938a7c74980899535854b88ba07907bb1c944abe5b8fc437e5"
 "checksum itertools 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)" = "d95557e7ba6b71377b0f2c3b3ae96c53f1b75a926a6901a500f557a370af730a"
 "checksum itoa 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2f404fbc66fd9aac13e998248505e7ecb2ad8e44ab6388684c5fb11c6c251c"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
@@ -545,7 +538,7 @@ dependencies = [
 "checksum num-rational 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "c2dc5ea04020a8f18318ae485c751f8cfa1c0e69dcf465c29ddaaa64a313cc44"
 "checksum num-traits 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "e1cbfa3781f3fe73dc05321bed52a06d2d491eaa764c52335cf4399f046ece99"
 "checksum num_cpus 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a18c392466409c50b87369414a2680c93e739aedeb498eb2bff7d7eb569744e2"
-"checksum png 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3cb773e9a557edb568ce9935cf783e3cdcabe06a9449d41b3e5506d88e582c82"
+"checksum png 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "48f397b84083c2753ba53c7b56ad023edb94512b2885ffe227c66ff7edb61868"
 "checksum quine-mc_cluskey 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "07589615d719a60c8dd8a4622e7946465dfef20d1a428f969e3443e7386d5f45"
 "checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "022e0636ec2519ddae48154b028864bdce4eaf7d35226ab8e65c611be97b189d"
diff --git a/Cargo.toml b/Cargo.toml
index 12989e14..1969b4a4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ version = ">=0.0.85"
 [dependencies.image]
 default-features = false
 features = ["png_codec"]
-version = "^0.12.0"
+version = "^0.13.0"
 
 [dependencies.regex]
 optional = true