diff --git a/Cargo.lock b/Cargo.lock
index 7bbd77f337..35b516bd7c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -665,9 +665,9 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 
 [[package]]
 name = "rand_xorshift"
diff --git a/Cargo.toml b/Cargo.toml
index 0266cff25a..96ef18a65e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -62,7 +62,7 @@ shared-bus = "0.2"
 lm75 = "0.2"
 enum-iterator = "1.1.3"
 rand_xorshift = "0.3.0"
-rand_core = "0.6.3"
+rand_core = "0.6.4"
 
 [dependencies.stm32h7xx-hal]
 features = ["stm32h743v", "rt", "ethernet", "xspi"]