diff --git a/Cargo.lock b/Cargo.lock
index fdc413d..22d056d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -275,6 +275,19 @@ dependencies = [
  "smallvec 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "collision"
+version = "0.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "approx 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bit-set 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cgmath 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.0.1"
@@ -994,6 +1007,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1011,6 +1025,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1060,6 +1075,7 @@ dependencies = [
  "num-bigint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1612,7 +1628,7 @@ dependencies = [
  "cfb8 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cgmath 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "clipboard 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "collision 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "collision 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "glutin 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2114,6 +2130,7 @@ dependencies = [
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum cocoa 0.18.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cf79daa4e11e5def06e55306aa3601b87de6b5149671529318da048f67cdd77b"
 "checksum collision 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)" = "928b2092661bb4cd6f5e5a39c639ac6553a1e69750fab6de2edb86e2304f9eaa"
+"checksum collision 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f2a7f3c1279555e955d10ae466cc9c9c73b5618191379ec64fc65072d456136"
 "checksum color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0dbbb57365263e881e805dc77d94697c9118fd94d8da011240555aa7b23445bd"
 "checksum core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "286e0b41c3a20da26536c6000a280585d519fd07b3956b43aed8a79e9edce980"
 "checksum core-foundation 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4e2640d6d0bf22e82bed1b73c6aef8d5dd31e5abe6666c57e6d45e2649f4f887"
diff --git a/Cargo.toml b/Cargo.toml
index 4f47f58..14668d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ base64 = "0.10.0"
 log = { version = "0.4.6", features = ["std"] }
 cgmath = "0.16.1"
 lazy_static = "1.2.0"
-collision = "0.18.0"
+collision = "0.19.0"
 aes = "0.3.2"
 cfb8 = "0.3.1"
 rsa_public_encrypt_pkcs1 = "0.2.0"
diff --git a/blocks/Cargo.toml b/blocks/Cargo.toml
index dda7d1f..84e0b48 100644
--- a/blocks/Cargo.toml
+++ b/blocks/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 [dependencies]
 lazy_static = "1.1.0"
 cgmath = "0.16.1"
-collision = "0.18.0"
+collision = "0.19.0"
 
 
 [dependencies.steven_shared]