diff --git a/Cargo.toml b/Cargo.toml
index 0a9645193f..12b25c432e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ cortex-m = "0.7.0"
 cortex-m-rtic-macros = { path = "macros", version = "0.6.0-alpha.0" }
 rtic-monotonic = { git = "https://github.com/rtic-rs/rtic-monotonic", branch = "master" }
 rtic-core = "0.3.1"
-heapless = "0.5.0"
+heapless = "0.6.1"
 bare-metal = "1.0.0"
 
 [dependencies.dwt-systick-monotonic]