diff --git a/Cargo.lock b/Cargo.lock
index d993b9af6..e6b33e325 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -269,7 +269,7 @@ dependencies = [
  "nom 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "stringreader 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -498,7 +498,7 @@ 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 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -742,7 +742,7 @@ 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 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -928,7 +928,7 @@ dependencies = [
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-util 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1665,13 +1665,13 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.3.1"
+version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2053,7 +2053,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "path-clean 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2088,7 +2088,7 @@ dependencies = [
  "lalrpop 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-util 0.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "texlab-protocol 0.1.0",
@@ -2104,7 +2104,7 @@ dependencies = [
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "texlab-distro 0.1.0",
@@ -2262,6 +2262,14 @@ dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.0.1"
+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)",
+]
+
 [[package]]
 name = "tiff"
 version = "0.3.1"
@@ -2766,7 +2774,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecedbca3bf205f8d8f5c2b44d83cd0690e39ee84b951ed649e9f1841132b66d"
-"checksum regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dc220bd33bdce8f093101afe22a037b8eb0e5af33592e6a9caafff0d4cb81cbd"
+"checksum regex 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b5508c1941e4e7cb19965abef075d35a9a8b5cdf0846f30b4050e9b55dc55e87"
 "checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum roxmltree 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0852407257c1b696a0c66b9db3ffe7769c2744a2fa725c8050e6f3e5a823c02b"
@@ -2816,6 +2824,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum thiserror 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6f357d1814b33bc2dc221243f8424104bfe72dbe911d5b71b3816a2dff1c977e"
 "checksum thiserror-impl 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2e25d25307eb8436894f727aba8f65d07adf02e5b35a13cebed48bd282bfef"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
+"checksum thread_local 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 "checksum tiff 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d7b7c2cfc4742bd8a32f2e614339dd8ce30dbcf676bb262bd63a2327bc5df57d"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tokio 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0e1bef565a52394086ecac0a6fa3b8ace4cb3a138ee1d96bd2b93283b56824e3"
diff --git a/Cargo.toml b/Cargo.toml
index 0bfcf0058..73f3f23c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ jsonrpc-derive = { path = "crates/jsonrpc_derive" }
 log = "0.4.6"
 once_cell = "1.2.0"
 path-clean = "0.1.0"
-regex = "1.3.1"
+regex = "1.3.3"
 serde = { version = "1.0.104", features = ["derive", "rc"] }
 serde_json = "1.0.44"
 serde_repr = "0.1"
diff --git a/crates/texlab_citeproc/Cargo.toml b/crates/texlab_citeproc/Cargo.toml
index a9d29a20f..cab059676 100644
--- a/crates/texlab_citeproc/Cargo.toml
+++ b/crates/texlab_citeproc/Cargo.toml
@@ -17,7 +17,7 @@ html2md = "0.2.9"
 itertools = "0.8.2"
 lalrpop-util = "0.17.2"
 once_cell = "1.2.0"
-regex = "1.3.1"
+regex = "1.3.3"
 serde = { version = "1.0.104", features = ["derive", "rc"] }
 serde_json = "1.0.44"
 texlab-protocol = { path = "../texlab_protocol" }
diff --git a/crates/texlab_completion/Cargo.toml b/crates/texlab_completion/Cargo.toml
index 09a2703fc..f7687170b 100644
--- a/crates/texlab_completion/Cargo.toml
+++ b/crates/texlab_completion/Cargo.toml
@@ -12,7 +12,7 @@ futures-boxed = { path = "../futures_boxed" }
 itertools = "0.8.2"
 log = "0.4.6"
 once_cell = "1.2.0"
-regex = "1.3.1"
+regex = "1.3.3"
 serde = { version = "1.0.104", features = ["derive", "rc"] }
 serde_json = "1.0.44"
 texlab-distro = { path = "../texlab_distro" }