diff --git a/codegen/Cargo.toml b/codegen/Cargo.toml
index c4924884..a536cbd6 100644
--- a/codegen/Cargo.toml
+++ b/codegen/Cargo.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 
 [dependencies]
-phf_codegen = "0.7.22"
-regex = "0.1"
+phf_codegen = "0.8"
+regex = "1.3.1"
 marksman_escape = "0.1"
-linked-hash-map = "0.4"
+linked-hash-map = "0.5"
diff --git a/codegen/src/sqlstate.rs b/codegen/src/sqlstate.rs
index 3d7a6143..79a69638 100644
--- a/codegen/src/sqlstate.rs
+++ b/codegen/src/sqlstate.rs
@@ -82,17 +82,15 @@ fn make_consts(codes: &LinkedHashMap<String, Vec<String>>, file: &mut BufWriter<
 }
 
 fn make_map(codes: &LinkedHashMap<String, Vec<String>>, file: &mut BufWriter<File>) {
-    write!(
-        file,
-        "
-#[rustfmt::skip]
-static SQLSTATE_MAP: phf::Map<&'static str, SqlState> = "
-    )
-    .unwrap();
     let mut builder = phf_codegen::Map::new();
     for (code, names) in codes {
         builder.entry(&**code, &format!("SqlState::{}", &names[0]));
     }
-    builder.build(file).unwrap();
-    writeln!(file, ";").unwrap();
+    write!(
+        file,
+        "
+#[rustfmt::skip]
+static SQLSTATE_MAP: phf::Map<&'static str, SqlState> = \n{};\n",
+        builder.build()
+    ).unwrap();
 }
diff --git a/postgres-protocol/Cargo.toml b/postgres-protocol/Cargo.toml
index bb34c0a9..13d13c43 100644
--- a/postgres-protocol/Cargo.toml
+++ b/postgres-protocol/Cargo.toml
@@ -13,10 +13,10 @@ base64 = "0.10"
 byteorder = "1.0"
 bytes = "0.4"
 fallible-iterator = "0.2"
-generic-array = "0.12"
+generic-array = "0.13"
 hmac = "0.7"
 md5 = "0.6"
 memchr = "2.0"
-rand = "0.6"
+rand = "0.7"
 sha2 = "0.8"
 stringprep = "0.1"
diff --git a/tokio-postgres/Cargo.toml b/tokio-postgres/Cargo.toml
index 734f3145..f255cab4 100644
--- a/tokio-postgres/Cargo.toml
+++ b/tokio-postgres/Cargo.toml
@@ -41,16 +41,16 @@ fallible-iterator = "0.2"
 futures-preview = { version = "=0.3.0-alpha.19", features = ["async-await"] }
 log = "0.4"
 parking_lot = "0.9"
-percent-encoding = "1.0"
+percent-encoding = "2.0"
 pin-project = "0.4"
-phf = "0.7.23"
+phf = "0.8"
 postgres-protocol = { version = "=0.5.0-alpha.1", path = "../postgres-protocol" }
 postgres-types = { version = "=0.1.0-alpha.1", path = "../postgres-types" }
 tokio = { version = "=0.2.0-alpha.6", default-features = false, features = ["io", "codec"] }
 
 [dev-dependencies]
 tokio = "=0.2.0-alpha.6"
-env_logger = "0.5"
+env_logger = "0.7"
 criterion = "0.3"
 
 bit-vec-06 = { version = "0.6", package = "bit-vec" }