diff --git a/Cargo.lock b/Cargo.lock
index ecde33f..9abebf4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -136,18 +136,6 @@ dependencies = [
  "constant_time_eq",
 ]
 
-[[package]]
-name = "bstr"
-version = "0.2.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31accafdb70df7871592c058eca3985b71104e15ac32f64706022c58867da931"
-dependencies = [
- "lazy_static 1.4.0",
- "memchr 2.3.3",
- "regex-automata",
- "serde",
-]
-
 [[package]]
 name = "byteorder"
 version = "1.3.4"
@@ -268,11 +256,10 @@ dependencies = [
 
 [[package]]
 name = "csv"
-version = "1.1.3"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00affe7f6ab566df61b4be3ce8cf16bc2576bca0963ceb0955e45d514bf9a279"
+checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
 dependencies = [
- "bstr",
  "csv-core",
  "itoa",
  "ryu",
@@ -281,9 +268,9 @@ dependencies = [
 
 [[package]]
 name = "csv-core"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
+checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
 dependencies = [
  "memchr 2.3.3",
 ]
@@ -456,9 +443,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "lazy_static"
@@ -775,15 +762,6 @@ dependencies = [
  "thread_local 1.0.1",
 ]
 
-[[package]]
-name = "regex-automata"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae1ded71d66a4a97f5e961fd0cb25a5f366a42a41570d16a763a69c092c26ae4"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "regex-syntax"
 version = "0.5.6"