diff --git a/Cargo.toml b/Cargo.toml
index 4121c1a..e271a98 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,13 +29,18 @@ fugit = "0.3"
 defmt = { version = "1", optional = true }
 va108xx = { version = "0.5", default-features = false, optional = true }
 va416xx = { version = "0.4", default-features = false, optional = true }
-portable-atomic = "1"
-
 embassy-sync = "0.6"
 embassy-time-driver = "0.2"
 embassy-time-queue-utils = "0.1"
 once_cell = { version = "1", default-features = false, features = ["critical-section"] }
 
+[target.thumbv6m-none-eabi.dependencies]
+portable-atomic = { version = "1", features = ["unsafe-assume-single-core"] }
+[target.thumbv7em-none-eabihf.dependencies]
+portable-atomic = "1"
+[target.'cfg(not(any(target_arch = "arm", target_os = "none")))'.dependencies]
+portable-atomic = "1"
+
 [features]
 vor1x = ["_family-selected", "dep:va108xx", "portable-atomic/unsafe-assume-single-core"]
 vor4x = ["_family-selected", "dep:va416xx"]