diff --git a/Cargo.lock b/Cargo.lock
index b8b2e4c7ef..ce6b6cf3aa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2375,9 +2375,9 @@ dependencies = [
 
 [[package]]
 name = "memmap2"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe3179b85e1fd8b14447cbebadb75e45a1002f541b925f0bfec366d56a81c56d"
+checksum = "057a3db23999c867821a7a59feb06a578fcb03685e983dff90daf9e7d24ac08f"
 dependencies = [
  "libc",
 ]
@@ -4423,7 +4423,7 @@ version = "1.10.1"
 dependencies = [
  "fs_extra",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "modular-bitfield",
  "rand 0.7.3",
  "rayon",
@@ -4820,7 +4820,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.5",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "rustc_version 0.4.0",
  "serde",
  "serde_derive",
@@ -5578,7 +5578,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -5640,7 +5640,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "num-derive",
  "num-traits",
  "pbkdf2 0.10.0",
diff --git a/bucket_map/Cargo.toml b/bucket_map/Cargo.toml
index 9988685e6e..6c516743c8 100644
--- a/bucket_map/Cargo.toml
+++ b/bucket_map/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2021"
 
 [dependencies]
 solana-sdk = { path = "../sdk", version = "=1.10.1" }
-memmap2 = "0.5.2"
+memmap2 = "0.5.3"
 log = { version = "0.4.11" }
 solana-measure = { path = "../measure", version = "=1.10.1" }
 rand = "0.7.0"
diff --git a/frozen-abi/Cargo.toml b/frozen-abi/Cargo.toml
index cb94bf2d75..af77ae47ff 100644
--- a/frozen-abi/Cargo.toml
+++ b/frozen-abi/Cargo.toml
@@ -21,7 +21,7 @@ thiserror = "1.0"
 
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
 generic-array = { version = "0.14.5", default-features = false, features = ["serde", "more_lengths"]}
-memmap2 = "0.5.2"
+memmap2 = "0.5.3"
 
 [target.'cfg(not(target_arch = "bpf"))'.dev-dependencies]
 solana-logger = { path = "../logger", version = "=1.10.1" }
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 1b2d35c7ca..173af14763 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -1551,9 +1551,9 @@ dependencies = [
 
 [[package]]
 name = "memmap2"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe3179b85e1fd8b14447cbebadb75e45a1002f541b925f0bfec366d56a81c56d"
+checksum = "057a3db23999c867821a7a59feb06a578fcb03685e983dff90daf9e7d24ac08f"
 dependencies = [
  "libc",
 ]
@@ -2993,7 +2993,7 @@ name = "solana-bucket-map"
 version = "1.10.1"
 dependencies = [
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "modular-bitfield",
  "rand 0.7.3",
  "solana-measure",
@@ -3158,7 +3158,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.5",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "rustc_version 0.4.0",
  "serde",
  "serde_derive",
@@ -3439,7 +3439,7 @@ dependencies = [
  "itertools 0.10.3",
  "lazy_static",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -3497,7 +3497,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log",
- "memmap2 0.5.2",
+ "memmap2 0.5.3",
  "num-derive",
  "num-traits",
  "pbkdf2 0.10.0",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 83241dc5e9..bb97ec79d3 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -26,7 +26,7 @@ index_list = "0.2.7"
 itertools = "0.10.3"
 lazy_static = "1.4.0"
 log = "0.4.14"
-memmap2 = "0.5.2"
+memmap2 = "0.5.3"
 num_cpus = "1.13.1"
 num-derive = { version = "0.3" }
 num-traits = { version = "0.2" }
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index 52d35242a8..c63edcb6bf 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -57,7 +57,7 @@ itertools =  "0.10.3"
 lazy_static = "1.4.0"
 libsecp256k1 = { version = "0.6.0", optional = true }
 log = "0.4.14"
-memmap2 = { version = "0.5.2", optional = true }
+memmap2 = { version = "0.5.3", optional = true }
 num-derive = "0.3"
 num-traits = "0.2"
 pbkdf2 = { version = "0.10.0", default-features = false }