diff --git a/apps/system/components/DebugConsole/kata-shell/Cargo.toml b/apps/system/components/DebugConsole/kata-shell/Cargo.toml
index 52394da..12cf3de 100644
--- a/apps/system/components/DebugConsole/kata-shell/Cargo.toml
+++ b/apps/system/components/DebugConsole/kata-shell/Cargo.toml
@@ -12,4 +12,4 @@ kata-proc-common = { path = "../../ProcessManager/kata-proc-common" }
 kata-security-interface = { path = "../../SecurityCoordinator/kata-security-interface" }
 kata-storage-interface = { path = "../../StorageManager/kata-storage-interface" }
 log = "0.4"
-postcard = { version = "0.7", features = ["alloc"] }
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
diff --git a/apps/system/components/ProcessManager/kata-proc-common/Cargo.toml b/apps/system/components/ProcessManager/kata-proc-common/Cargo.toml
index 968a6c4..464bae6 100644
--- a/apps/system/components/ProcessManager/kata-proc-common/Cargo.toml
+++ b/apps/system/components/ProcessManager/kata-proc-common/Cargo.toml
@@ -5,5 +5,5 @@ edition = "2018"
 
 [dependencies]
 kata-security-interface = { path = "../../SecurityCoordinator/kata-security-interface" }
-postcard = { version = "0.7", features = ["alloc"] }
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
 serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
diff --git a/apps/system/components/ProcessManager/kata-proc-component/Cargo.toml b/apps/system/components/ProcessManager/kata-proc-component/Cargo.toml
index 803699c..4e9d50d 100644
--- a/apps/system/components/ProcessManager/kata-proc-component/Cargo.toml
+++ b/apps/system/components/ProcessManager/kata-proc-component/Cargo.toml
@@ -11,7 +11,7 @@ kata-panic = { path = "../../DebugConsole/kata-panic" }
 kata-proc-common = { path = "../kata-proc-common" }
 kata-proc-manager = { path = "../kata-proc-manager" }
 log = "0.4"
-postcard = { version = "0.7", features = ["alloc"] }
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
 
 [lib]
 name = "kata_process_manager"
diff --git a/apps/system/components/ProcessManager/kata-proc-manager/Cargo.toml b/apps/system/components/ProcessManager/kata-proc-manager/Cargo.toml
index 0701369..0d0479a 100644
--- a/apps/system/components/ProcessManager/kata-proc-manager/Cargo.toml
+++ b/apps/system/components/ProcessManager/kata-proc-manager/Cargo.toml
@@ -9,6 +9,6 @@ hashbrown = { version = "0.11", features = ["ahash-compile-time-rng"] }
 kata-proc-common = { path = "../kata-proc-common" }
 kata-security-interface = { path = "../../SecurityCoordinator/kata-security-interface" }
 log = "0.4"
-postcard = "0.7"
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
 smallstr = "0.2"
 spin = "0.9"
diff --git a/apps/system/components/SecurityCoordinator/kata-security-coordinator/Cargo.toml b/apps/system/components/SecurityCoordinator/kata-security-coordinator/Cargo.toml
index cf6bc32..ab8c4ce 100644
--- a/apps/system/components/SecurityCoordinator/kata-security-coordinator/Cargo.toml
+++ b/apps/system/components/SecurityCoordinator/kata-security-coordinator/Cargo.toml
@@ -13,4 +13,4 @@ hashbrown = { version = "0.11", features = ["ahash-compile-time-rng"] }
 kata-security-interface = { path = "../kata-security-interface" }
 kata-storage-interface = { path = "../../StorageManager/kata-storage-interface" }
 log = "0.4"
-postcard = "0.7"
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
diff --git a/apps/system/components/SecurityCoordinator/kata-security-interface/Cargo.toml b/apps/system/components/SecurityCoordinator/kata-security-interface/Cargo.toml
index f57fe5a..b98c16c 100644
--- a/apps/system/components/SecurityCoordinator/kata-security-interface/Cargo.toml
+++ b/apps/system/components/SecurityCoordinator/kata-security-interface/Cargo.toml
@@ -4,6 +4,6 @@ version = "0.1.0"
 edition = "2018"
 
 [dependencies]
-postcard = "0.7"
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
 serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 serde-big-array = "0.3"
diff --git a/apps/system/components/StorageManager/kata-storage-component/Cargo.toml b/apps/system/components/StorageManager/kata-storage-component/Cargo.toml
index 9b1e824..3004d36 100644
--- a/apps/system/components/StorageManager/kata-storage-component/Cargo.toml
+++ b/apps/system/components/StorageManager/kata-storage-component/Cargo.toml
@@ -11,7 +11,7 @@ kata-panic = { path = "../../DebugConsole/kata-panic" }
 kata-storage-interface = { path = "../kata-storage-interface" }
 kata-storage-manager = { path = "../kata-storage-manager" }
 log = "0.4"
-postcard = "0.7"
+postcard = { version = "0.7", features = ["alloc"], default-features = false }
 
 [lib]
 name = "kata_storage_manager"
diff --git a/apps/system/components/StorageManager/kata-storage-interface/Cargo.toml b/apps/system/components/StorageManager/kata-storage-interface/Cargo.toml
index e0b996f..8fe850d 100644
--- a/apps/system/components/StorageManager/kata-storage-interface/Cargo.toml
+++ b/apps/system/components/StorageManager/kata-storage-interface/Cargo.toml
@@ -6,4 +6,4 @@ edition = "2018"
 [dependencies]
 cstr_core = "0.2"
 kata-security-interface = { path = "../../SecurityCoordinator/kata-security-interface" }
-postcard = "0.7"
+postcard = { version = "0.7", features = ["alloc"], default-features = false }