diff --git a/Cargo.lock b/Cargo.lock
index c0c0929cde..4a19608843 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2507,9 +2507,9 @@ dependencies = [
 
 [[package]]
 name = "memmap2"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4647a11b578fead29cdbb34d4adef8dd3dc35b876c9c6d5240d83f205abfe96e"
+checksum = "9e8b95e4fb3de48d767d3537f161168d3a7b0d4c5dfbe26431ea3acf98432675"
 dependencies = [
  "libc",
 ]
@@ -4575,7 +4575,7 @@ version = "1.10.0"
 dependencies = [
  "fs_extra",
  "log 0.4.14",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "rand 0.7.3",
  "rayon",
  "solana-logger 1.10.0",
@@ -4950,7 +4950,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.5",
  "log 0.4.14",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "rustc_version 0.4.0",
  "serde",
  "serde_derive",
@@ -5693,7 +5693,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log 0.4.14",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -5752,7 +5752,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log 0.4.14",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "num-derive",
  "num-traits",
  "pbkdf2 0.10.0",
diff --git a/bucket_map/Cargo.toml b/bucket_map/Cargo.toml
index 3aa524f398..508b1d1123 100644
--- a/bucket_map/Cargo.toml
+++ b/bucket_map/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2021"
 
 [dependencies]
 solana-sdk = { path = "../sdk", version = "=1.10.0" }
-memmap2 = "0.5.0"
+memmap2 = "0.5.1"
 log = { version = "0.4.11" }
 solana-measure = { path = "../measure", version = "=1.10.0" }
 rand = "0.7.0"
diff --git a/frozen-abi/Cargo.toml b/frozen-abi/Cargo.toml
index 48476dcbd1..4130eb15da 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 = "0.5.0"
+memmap2 = "0.5.1"
 
 [target.'cfg(not(target_arch = "bpf"))'.dev-dependencies]
 solana-logger = { path = "../logger", version = "=1.10.0" }
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index c10bc97019..e177f8901c 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -1605,9 +1605,9 @@ dependencies = [
 
 [[package]]
 name = "memmap2"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4647a11b578fead29cdbb34d4adef8dd3dc35b876c9c6d5240d83f205abfe96e"
+checksum = "9e8b95e4fb3de48d767d3537f161168d3a7b0d4c5dfbe26431ea3acf98432675"
 dependencies = [
  "libc",
 ]
@@ -3016,7 +3016,7 @@ name = "solana-bucket-map"
 version = "1.10.0"
 dependencies = [
  "log",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "rand 0.7.3",
  "solana-measure",
  "solana-sdk",
@@ -3174,7 +3174,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.5",
  "log",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "rustc_version 0.4.0",
  "serde",
  "serde_derive",
@@ -3445,7 +3445,7 @@ dependencies = [
  "itertools 0.10.3",
  "lazy_static",
  "log",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -3502,7 +3502,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1 0.6.0",
  "log",
- "memmap2 0.5.0",
+ "memmap2 0.5.1",
  "num-derive",
  "num-traits",
  "pbkdf2 0.10.0",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index a378e30693..7d3d0dc775 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -24,7 +24,7 @@ fnv = "1.0.7"
 itertools = "0.10.3"
 lazy_static = "1.4.0"
 log = "0.4.14"
-memmap2 = "0.5.0"
+memmap2 = "0.5.1"
 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 e5ddd571f3..67fbd4a13b 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 = "0.5.0", optional = true }
+memmap2 = { version = "0.5.1", optional = true }
 num-derive = "0.3"
 num-traits = "0.2"
 pbkdf2 = { version = "0.10.0", default-features = false }