diff --git a/Cargo.lock b/Cargo.lock
index ebaaae01b..e4527f2c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -273,7 +273,7 @@ dependencies = [
  "nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "stringreader 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -375,7 +375,7 @@ dependencies = [
  "oorandom 11.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "plotters 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -542,7 +542,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -766,7 +766,7 @@ dependencies = [
  "jni 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -968,7 +968,7 @@ dependencies = [
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-util 0.18.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -983,7 +983,7 @@ name = "lalrpop-util"
 version = "0.18.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1737,7 +1737,7 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.3.5"
+version = "1.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2137,7 +2137,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "stderrlog 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2176,7 +2176,7 @@ dependencies = [
  "lalrpop 0.18.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-util 0.18.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2195,7 +2195,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.106 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "texlab-components 0.1.0",
@@ -2280,7 +2280,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "texlab-citeproc 0.1.0",
  "texlab-components 0.1.0",
@@ -2469,7 +2469,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3011,7 +3011,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum redox_users 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
-"checksum regex 1.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8900ebc1363efa7ea1c399ccc32daed870b4002651e0bed86e72d501ebbe0048"
+"checksum regex 1.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a6020f034922e3194c711b82a627453881bc4682166cabb07134a10c26ba7692"
 "checksum regex-automata 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "ae1ded71d66a4a97f5e961fd0cb25a5f366a42a41570d16a763a69c092c26ae4"
 "checksum regex-syntax 0.6.17 (registry+https://github.com/rust-lang/crates.io-index)" = "7fe5bd57d1d7414c6b5ed48563a2c855d995ff777729dcd91c369ec7fea395ae"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"