diff --git a/Cargo.lock b/Cargo.lock
index c3ec90b..52cf825 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -23,10 +23,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "assert_fs"
-version = "0.11.3"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "globwalk 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "doc-comment 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "globwalk 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "predicates 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "predicates-core 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "predicates-tree 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -191,6 +192,11 @@ name = "difference"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "doc-comment"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "either"
 version = "1.5.3"
@@ -245,7 +251,7 @@ dependencies = [
 
 [[package]]
 name = "globwalk"
-version = "0.5.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ignore 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -763,7 +769,7 @@ name = "typos-cli"
 version = "0.1.4"
 dependencies = [
  "anyhow 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "assert_fs 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "assert_fs 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bstr 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap-verbosity-flag 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -914,7 +920,7 @@ dependencies = [
 "checksum aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum anyhow 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "9267dff192e68f3399525901e709a48c1d3982c9c072fa32f2127a0cb0babf14"
-"checksum assert_fs 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4ce6ba957da497523c08f8e0bd0f2e038d23ad6a3f7a391ed9d4afa9314838c0"
+"checksum assert_fs 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)" = "815b47a19f74a89ba726736cdac88c9fba28a655b16ea01225adae328b26f1bf"
 "checksum atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)" = "1803c647a3ec87095e7ae7acfca019e98de5ec9a7d01343f611cf3152ed71a90"
 "checksum autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
@@ -931,13 +937,14 @@ dependencies = [
 "checksum csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9b5cadb6b25c77aeff80ba701712494213f4a8418fcda2ee11b6560c3ad0bf4c"
 "checksum derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a141330240c921ec6d074a3e188a7c7ef95668bb95e7d44fa0e5778ec2a7afe"
 "checksum difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
+"checksum doc-comment 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "923dea538cea0aa3025e8685b20d6ee21ef99c4f77e954a30febbaac5ec73a97"
 "checksum either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 "checksum env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "aafcde04e90a5226a6443b7aabdb016ba2f8307c847d524724bd9b346dd1a2d3"
 "checksum float-cmp 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "134a8fa843d80a51a5b77d36d42bc2def9edcb0262c914861d08129fd1926600"
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 "checksum getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "e7db7ca94ed4cd01190ceee0d8a8052f08a247aa1b469a7f68c6a3b71afcf407"
 "checksum globset 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "925aa2cac82d8834e2b2a4415b6f6879757fb5c0928fc445ae76461a12eed8f2"
-"checksum globwalk 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "89fa2e29859da05acd066bd45996f05c271b271d7ec4a781f909682328f65d25"
+"checksum globwalk 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "53cbcf0368596897b0a3b8ff2110acf2400e80ffad4ca9238b52ff282a9b267b"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
 "checksum ignore 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0ec16832258409d571aaef8273f3c3cc5b060d784e159d1a0f3b0017308f84a7"
diff --git a/Cargo.toml b/Cargo.toml
index dd53f3a..ecf129a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,5 +44,5 @@ log = "0.4"
 env_logger = "0.6"
 
 [dev-dependencies]
-assert_fs = "0.11"
+assert_fs = "0.13"
 bstr = "0.2"