diff --git a/Cargo.toml b/Cargo.toml
index 3ee17bf..91d3e2c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,10 +21,10 @@ exclude = [
 ]
 
 [dependencies]
-defmt = { version = "0.3.2", optional = true }
+defmt = { version = "0.3.8", optional = true }
 embedded-hal = "1.0.0"
 embedded-hal-async = { version = "1.0.0", optional = true }
-fixed = "1.20.0"
+fixed = "1.28.0"
 sensirion-i2c = "0.4"
 
 [features]