diff --git a/grep/Cargo.toml b/grep/Cargo.toml
index b9a83ce..3ffaeae 100644
--- a/grep/Cargo.toml
+++ b/grep/Cargo.toml
@@ -22,7 +22,7 @@ grep-searcher = { version = "0.1.0", path = "../grep-searcher" }
 [dev-dependencies]
 atty = "0.2.11"
 termcolor = "1"
-walkdir = "2.2.1"
+walkdir = "2.2.2"
 
 [features]
 avx-accel = ["grep-searcher/avx-accel"]
diff --git a/ignore/Cargo.toml b/ignore/Cargo.toml
index 82b1285..859ac34 100644
--- a/ignore/Cargo.toml
+++ b/ignore/Cargo.toml
@@ -26,7 +26,7 @@ memchr = "2"
 regex = "1"
 same-file = "1"
 thread_local = "0.3.2"
-walkdir = "2.2.1"
+walkdir = "2.2.2"
 
 [target.'cfg(windows)'.dependencies.winapi]
 version = "0.3"