diff --git a/Cargo.toml b/Cargo.toml
index f88f913..f398e8d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ cortex-m = "0.7.4"
 cortex-m-rt = "0.7.1"
 embedded-hal = "0.2.4"
 nb = "1.0.0"
-stm32f1xx-hal = { version = "0.8.0", features = ["rt", "stm32f103", "medium"] }
+stm32f1xx-hal = { version = "0.9.0", features = ["rt", "stm32f103", "medium"] }
 rtt-target = { version = "0.3.1", features = ["cortex-m"] }
 panic-rtt-target = { version = "0.1.0", features = ["cortex-m"] }
 # alternate panic impls, choose only one!
diff --git a/src/main.rs b/src/main.rs
index 6e53242..7b05d0c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -42,7 +42,8 @@ fn main() -> ! {
     // in order to configure the port. For pins 0-7, crl should be passed instead.
     let mut led = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
     // Configure the syst timer to trigger an update every second
-    let mut timer = Timer::syst(cp.SYST, &clocks).start_count_down(1.hz());
+    let mut timer = Timer::syst(cp.SYST, &clocks).counter_hz();
+    timer.start(1.Hz()).unwrap();
 
     rprintln!("Hello, Rust!");
     // Wait for the timer to trigger an update and change the state of the LED