diff --git a/postgres-types/Cargo.toml b/postgres-types/Cargo.toml
index 5295f722..b5065316 100644
--- a/postgres-types/Cargo.toml
+++ b/postgres-types/Cargo.toml
@@ -28,7 +28,7 @@ postgres-protocol = { version = "0.5.0", path = "../postgres-protocol" }
 postgres-derive = { version = "0.4.0", optional = true, path = "../postgres-derive" }
 
 bit-vec-06 = { version = "0.6", package = "bit-vec", optional = true }
-chrono-04 = { version = "0.4", package = "chrono", optional = true }
+chrono-04 = { version = "0.4.16", package = "chrono", default-features = false, features = ["clock"], optional = true }
 eui48-04 = { version = "0.4", package = "eui48", optional = true }
 geo-types-04 = { version = "0.4", package = "geo-types", optional = true }
 geo-types-06 = { version = "0.6", package = "geo-types", optional = true }
diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index dfc9bb0a..84cc3bc8 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -58,7 +58,7 @@ env_logger = "0.7"
 criterion = "0.3"
 
 bit-vec-06 = { version = "0.6", package = "bit-vec" }
-chrono-04 = { version = "0.4", package = "chrono" }
+chrono-04 = { version = "0.4", package = "chrono", default-features = false }
 eui48-04 = { version = "0.4", package = "eui48" }
 geo-types-04 = { version = "0.4", package = "geo-types" }
 geo-types-06 = { version = "0.6", package = "geo-types" }