diff --git a/collectr/Cargo.toml b/collectr/Cargo.toml
index f6ec2c4..6ca98be 100644
--- a/collectr/Cargo.toml
+++ b/collectr/Cargo.toml
@@ -18,7 +18,7 @@ path = "src/worker.rs"
 
 [dependencies]
 data_model = { path = "../data_model" }
-worker = { version = "0.3.4", features = ["queue"] }
+worker = { version = "0.4.0", features = ["queue"] }
 serde_derive = "~1.0"
 serde = "~1.0"
 serde_json = "1.0.107"
\ No newline at end of file