diff --git a/Cargo.lock b/Cargo.lock
index 9008d31f..2828a846 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1666,19 +1666,18 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.7.2"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96282e96bfcd3da0d3aa9938bedf1e50df3269b6db08b4876d2da0bb1a0841cf"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 dependencies = [
- "ahash 0.3.8",
- "autocfg 1.0.1",
+ "ahash 0.7.6",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.11.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+checksum = "8c21d40587b92fa6a6c6e3c1bdbf87d75511db5672f9c93175574b3a00df1758"
 dependencies = [
  "ahash 0.7.6",
 ]
@@ -5483,11 +5482,12 @@ dependencies = [
 
 [[package]]
 name = "whatlang"
-version = "0.13.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349357fdf0f049dcb402da4a4c5a5aae80a7f6b3e5976b38475ce4ac18e5cd2f"
+checksum = "ace22f62983d7c2ca0512ef319de0b52f837a1e8e79d81107825a9e8699c5bd8"
 dependencies = [
- "hashbrown 0.7.2",
+ "hashbrown 0.12.0",
+ "once_cell",
 ]
 
 [[package]]
diff --git a/plume-models/Cargo.toml b/plume-models/Cargo.toml
index 1b3a7cd7..bb0e8925 100644
--- a/plume-models/Cargo.toml
+++ b/plume-models/Cargo.toml
@@ -25,7 +25,7 @@ tantivy = "0.13.3"
 url = "2.1"
 walkdir = "2.2"
 webfinger = "0.4.1"
-whatlang = "0.13.0"
+whatlang = "0.15.0"
 shrinkwraprs = "0.3.0"
 diesel-derive-newtype = "0.1.2"
 glob = "0.3.0"