diff --git a/Cargo.toml b/Cargo.toml
index bcc8c121..eb9d65a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ bufstream = "0.1"
 fallible-iterator = "0.1.3"
 hex = "0.2"
 log = "0.3"
-phf = "=0.7.17"
+phf = "=0.7.18"
 postgres-protocol = "0.1"
 bit-vec = { version = "0.4", optional = true }
 chrono = { version = "0.2.14", optional = true }