diff --git a/Cargo.lock b/Cargo.lock
index 0ffefb3a22..6892b2ac4a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2338,6 +2338,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memmap2"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "723e3ebdcdc5c023db1df315364573789f8857c11b631a2fdfad7c00f5c046b4"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.5.4"
@@ -4552,7 +4561,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.3",
  "log 0.4.11",
- "memmap2",
+ "memmap2 0.1.0",
  "rustc_version",
  "serde",
  "serde_derive",
@@ -4570,7 +4579,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.3",
  "log 0.4.11",
- "memmap2",
+ "memmap2 0.2.3",
  "rustc_version",
  "serde",
  "serde_derive",
@@ -5197,7 +5206,7 @@ dependencies = [
  "libc",
  "libloading 0.6.2",
  "log 0.4.11",
- "memmap2",
+ "memmap2 0.2.3",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -5257,7 +5266,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1",
  "log 0.4.11",
- "memmap2",
+ "memmap2 0.2.3",
  "num-derive",
  "num-traits",
  "pbkdf2 0.6.0",
diff --git a/frozen-abi/Cargo.toml b/frozen-abi/Cargo.toml
index de36a0dc45..907c27f86e 100644
--- a/frozen-abi/Cargo.toml
+++ b/frozen-abi/Cargo.toml
@@ -22,7 +22,7 @@ thiserror = "1.0"
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
 solana-logger = { path = "../logger", version = "=1.8.0" }
 generic-array = { version = "0.14.3", default-features = false, features = ["serde", "more_lengths"]}
-memmap2 = "0.1.0"
+memmap2 = "0.2.3"
 
 [build-dependencies]
 rustc_version = "0.2"
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 3258431877..338e29ac37 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -1594,6 +1594,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memmap2"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "723e3ebdcdc5c023db1df315364573789f8857c11b631a2fdfad7c00f5c046b4"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.5.4"
@@ -3200,7 +3209,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.3",
  "log",
- "memmap2",
+ "memmap2 0.1.0",
  "rustc_version",
  "serde",
  "serde_derive",
@@ -3218,7 +3227,7 @@ dependencies = [
  "bv",
  "generic-array 0.14.3",
  "log",
- "memmap2",
+ "memmap2 0.2.3",
  "rustc_version",
  "serde",
  "serde_derive",
@@ -3446,7 +3455,7 @@ dependencies = [
  "libc",
  "libloading",
  "log",
- "memmap2",
+ "memmap2 0.2.3",
  "num-derive",
  "num-traits",
  "num_cpus",
@@ -3496,7 +3505,7 @@ dependencies = [
  "lazy_static",
  "libsecp256k1",
  "log",
- "memmap2",
+ "memmap2 0.2.3",
  "num-derive",
  "num-traits",
  "pbkdf2 0.6.0",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 831cf3337f..d6b0089d97 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -26,7 +26,7 @@ lazy_static = "1.4.0"
 libc = "0.2.81"
 libloading = "0.6.2"
 log = "0.4.11"
-memmap2 = "0.1.0"
+memmap2 = "0.2.3"
 num-derive = { version = "0.3" }
 num-traits = { version = "0.2" }
 num_cpus = "1.13.0"
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index a48a376ef9..e95797443a 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -55,7 +55,7 @@ itertools =  "0.9.0"
 lazy_static = "1.4.0"
 libsecp256k1 = { version = "0.3.5", optional = true }
 log = "0.4.11"
-memmap2 = { version = "0.1.0", optional = true }
+memmap2 = { version = "0.2.3", optional = true }
 num-derive = "0.3"
 num-traits = "0.2"
 pbkdf2 = { version = "0.6.0", default-features = false }