diff --git a/Cargo.lock b/Cargo.lock
index a9cd1950b0..026f71dca1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7324,7 +7324,7 @@ dependencies = [
  "grok",
  "halfbrown",
  "hdrhistogram",
- "hostname 0.3.1",
+ "hostname 0.4.0",
  "jumphash",
  "lalrpop",
  "lalrpop-util",
diff --git a/tremor-script/Cargo.toml b/tremor-script/Cargo.toml
index 72b91bc814..c4dfb06c19 100644
--- a/tremor-script/Cargo.toml
+++ b/tremor-script/Cargo.toml
@@ -37,7 +37,7 @@ grok = "2"
 sha2 = "0.10"
 halfbrown = "0.2"
 hdrhistogram = "7"
-hostname = "0.3"
+hostname = "0.4"
 jumphash = "0.1"
 lalrpop-util = "0.20"
 lazy_static = "1.4"