diff --git a/Cargo.lock b/Cargo.lock
index 0ba360b..17828a1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -439,7 +439,7 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ring 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -554,19 +554,6 @@ name = "crunchy"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "csrf"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "data-encoding 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "csv"
 version = "1.0.2"
@@ -967,11 +954,6 @@ dependencies = [
  "num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "gcc"
-version = "0.3.55"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "generic-array"
 version = "0.9.0"
@@ -1828,7 +1810,7 @@ dependencies = [
  "plume-models 0.2.0",
  "rocket 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocket_contrib 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rocket_csrf 0.1.0 (git+https://github.com/fdb-hiroshima/rocket_csrf?rev=717fad53cfd2ee5cbee5b4571f6190644f9dddd7)",
+ "rocket_csrf 0.1.0 (git+https://github.com/fdb-hiroshima/rocket_csrf?rev=4a72ea2ec716cb0b26188fb00bccf2ef7d1e031c)",
  "rocket_i18n 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rpassword 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ructe 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1901,7 +1883,7 @@ dependencies = [
  "guid-create 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "plume-api 0.1.0",
  "plume-common 0.2.0",
@@ -2069,33 +2051,6 @@ dependencies = [
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_chacha 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xorshift 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_core"
 version = "0.2.2"
@@ -2109,39 +2064,6 @@ name = "rand_core"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.1.40"
@@ -2235,7 +2157,7 @@ dependencies = [
 
 [[package]]
 name = "ring"
-version = "0.13.2"
+version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2292,11 +2214,10 @@ dependencies = [
 [[package]]
 name = "rocket_csrf"
 version = "0.1.0"
-source = "git+https://github.com/fdb-hiroshima/rocket_csrf?rev=717fad53cfd2ee5cbee5b4571f6190644f9dddd7#717fad53cfd2ee5cbee5b4571f6190644f9dddd7"
+source = "git+https://github.com/fdb-hiroshima/rocket_csrf?rev=4a72ea2ec716cb0b26188fb00bccf2ef7d1e031c#4a72ea2ec716cb0b26188fb00bccf2ef7d1e031c"
 dependencies = [
- "csrf 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "data-encoding 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocket 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2350,18 +2271,6 @@ dependencies = [
  "nom 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rust-crypto"
-version = "0.2.36"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rust-stemmers"
 version = "1.0.2"
@@ -2376,11 +2285,6 @@ name = "rustc-demangle"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rustc-serialize"
-version = "0.3.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rustc_version"
 version = "0.2.3"
@@ -3382,7 +3286,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crossbeam-utils 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "677d453a17e8bd2b913fa38e8b9cf04bcdbb5be790aa294f2389661d72036015"
 "checksum crossbeam-utils 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c55913cc2799171a550e307918c0a360e8c16004820291bf3b638969b4a01816"
 "checksum crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a2f4a431c5c9f662e1200b7c7f02c34e91361150e382089a8f2dec3ba680cbda"
-"checksum csrf 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "38f2ee2a7e76740d81de006e61eff53206c56448a30d8017b4ac97b5486682bd"
 "checksum csv 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d54f6b0fd69128a2894b1a3e57af5849a0963c1cc77b165d30b896e40296452"
 "checksum csv-core 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4dd8e6d86f7ba48b4276ef1317edc8cc36167546d8972feb4a2b5fec0b374105"
 "checksum ctrlc 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "630391922b1b893692c6334369ff528dcc3a9d8061ccf4c803aa8f83cb13db5e"
@@ -3433,7 +3336,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum futf 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7c9c1ce3fa9336301af935ab852c437817d14cd33690446569392e65170aac3b"
 "checksum futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)" = "49e7653e374fe0d0c12de4250f0bdb60680b8c80eed558c5c7538eec9c89e21b"
 "checksum futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "ab90cde24b3319636588d0c35fe03b1333857621051837ed769faefb4c2162e4"
-"checksum gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)" = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
 "checksum generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ef25c5683767570c2bbd7deba372926a55eaae9982d7726ee2a1050239d45b9d"
 "checksum gettext 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4378b8e09fd51cfdb0d48f40929a5c358efeeb62feb458c7d6eab979fae231f4"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
@@ -3544,14 +3446,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
 "checksum rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8356f47b32624fef5b3301c1be97e5944ecdd595409cc5da11d05f211db6cfbd"
 "checksum rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e464cd887e869cddcae8792a4ee31d23c7edd516700695608f5b98c67ee0131c"
-"checksum rand 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ae9d223d52ae411a33cf7e54ec6034ec165df296ccd23533d671a28252b6f66a"
-"checksum rand_chacha 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "771b009e3a508cb67e8823dda454aaa5368c7bc1c16829fb77d3e980440dd34a"
 "checksum rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1961a422c4d189dfb50ffa9320bf1f2a9bd54ecb92792fb9477f99a1045f3372"
 "checksum rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0905b6b7079ec73b314d4c748701f6931eb79fd97c668caa3f1899b22b32c6db"
-"checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-"checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-"checksum rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "086bd09a33c7044e56bb44d5bdde5a60e7f119a9e95b0775f545de759a32fe05"
-"checksum rand_xorshift 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "effa3fcaa47e18db002bdde6060944b6d2f9cfd8db471c30e873448ad9187be3"
 "checksum redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "c214e91d3ecf43e9a4e41e578973adeb14b474f2bee858742d127af75a0112b1"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2069749032ea3ec200ca51e4a31df41759190a88edca0d2d86ee8bedf7073341"
@@ -3561,19 +3457,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rental 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ca24bf9b98e3df0bb359f1bbb8ef993a0093d8432500c5eaf3ae724f30b5f754"
 "checksum rental-impl 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a269533a9b93bbaa4848260e51b64564cc445d46185979f31974ec703374803a"
 "checksum reqwest 0.9.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ab52e462d1e15891441aeefadff68bdea005174328ce3da0a314f2ad313ec837"
-"checksum ring 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe642b9dd1ba0038d78c4a3999d1ee56178b4d415c1e1fbaba83b06dce012f0"
+"checksum ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2c4db68a2e35f3497146b7e4563df7d4773a2433230c5e4b448328e31740458a"
 "checksum rocket 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "242154377a85c2a9e036fc31ffc8c200b9e1f22a196e47baa3b57716606ca89d"
 "checksum rocket_codegen 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d907d6d458c859651c1cf4c8fa99b77685082bde0561db6a4600b365058f710"
 "checksum rocket_contrib 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f73e161dad5730435f51c815a5c6831d2e57b6b4299b1bf609d31b09aa9a2fa7"
-"checksum rocket_csrf 0.1.0 (git+https://github.com/fdb-hiroshima/rocket_csrf?rev=717fad53cfd2ee5cbee5b4571f6190644f9dddd7)" = "<none>"
+"checksum rocket_csrf 0.1.0 (git+https://github.com/fdb-hiroshima/rocket_csrf?rev=4a72ea2ec716cb0b26188fb00bccf2ef7d1e031c)" = "<none>"
 "checksum rocket_http 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba9d4f2ce5bba6e1b6d3100493bbad63879e99bbf6b4365d61e6f781daab324d"
 "checksum rocket_i18n 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f10dc7394c8c400d20a86d25b8d6f6f8066cadd5e849ceed611bc6c28e1aaac5"
 "checksum rpassword 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d37473170aedbe66ffa3ad3726939ba677d83c646ad4fd99e5b4bc38712f45ec"
 "checksum ructe 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "da9fece3121ef196658db041025d757eebbe9d08c8c09a5808cb4380d83dadc8"
-"checksum rust-crypto 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f76d05d3993fd5f4af9434e8e436db163a12a9d40e1a58a726f27a01dfd12a2a"
 "checksum rust-stemmers 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "fbf06149ec391025664a5634200ced1afb489f0f3f8a140d515ebc0eb04b4bc0"
 "checksum rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "bcfe5b13211b4d78e5c2cadfebd7769197d95c639c35a50057eb4c05de811395"
-"checksum rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "dcf128d1287d2ea9d80910b5f1120d0b8eede3fbf1abe91c40d39ea7d51e6fda"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7153dd96dade874ab973e098cb62fcdbb89a03682e46b144fd09550998d4a4a7"
 "checksum safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e27a8b19b835f7aea908818e871f5cc3a5a186550c30773be987e155e8163d8f"
diff --git a/Cargo.toml b/Cargo.toml
index 79e6294..992abab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ path = "plume-models"
 
 [dependencies.rocket_csrf]
 git = "https://github.com/fdb-hiroshima/rocket_csrf"
-rev = "717fad53cfd2ee5cbee5b4571f6190644f9dddd7"
+rev = "4a72ea2ec716cb0b26188fb00bccf2ef7d1e031c"
 
 [build-dependencies]
 ructe = "0.5.4"