diff --git a/Cargo.lock b/Cargo.lock
index 0152a19ff..a9d812dfc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -485,7 +485,7 @@ checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
 [[package]]
 name = "mbedtls"
-version = "0.12.2"
+version = "0.12.3"
 dependencies = [
  "async-stream",
  "bit-vec",
diff --git a/mbedtls/Cargo.toml b/mbedtls/Cargo.toml
index 31c8e0db6..eb7c6def5 100644
--- a/mbedtls/Cargo.toml
+++ b/mbedtls/Cargo.toml
@@ -2,7 +2,7 @@
 name = "mbedtls"
 # We jumped from v0.9 to v0.12 because v0.10 and v0.11 were based on mbedtls 3.X, which
 # we decided not to support.
-version = "0.12.2"
+version = "0.12.3"
 authors = ["Jethro Beekman <jethro@fortanix.com>"]
 build = "build.rs"
 edition = "2018"