diff --git a/Cargo.lock b/Cargo.lock
index d6416152..732aba88 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1383,9 +1383,9 @@ checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
 [[package]]
 name = "memmap2"
-version = "0.9.8"
+version = "0.9.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "843a98750cd611cc2965a8213b53b43e715f13c37a9e096c6408e69990961db7"
+checksum = "744133e4a0e0a658e1374cf3bf8e415c4052a15a111acd372764c55b4177d490"
 dependencies = [
  "libc",
 ]
diff --git a/samply-api/Cargo.toml b/samply-api/Cargo.toml
index 45942763..efa382cd 100644
--- a/samply-api/Cargo.toml
+++ b/samply-api/Cargo.toml
@@ -25,7 +25,7 @@ yaxpeax-x86 = { version = "2", default-features = false, features = ["std", "fmt
 yaxpeax-arm = { version = "0.4", default-features = false, features = ["std"] }
 
 [dev-dependencies]
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 anyhow = "1"
 futures = "0.3.5"
 assert-json-diff = "2.0.1"
diff --git a/samply-symbols/Cargo.toml b/samply-symbols/Cargo.toml
index 334028f1..a9de5ed1 100644
--- a/samply-symbols/Cargo.toml
+++ b/samply-symbols/Cargo.toml
@@ -61,6 +61,6 @@ linux-perf-data = "0.11.1"
 crc32fast = "1.4.2"
 
 [dev-dependencies]
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 anyhow = "1"
 futures = "0.3.5"
diff --git a/samply/Cargo.toml b/samply/Cargo.toml
index d3eef99d..bf673330 100644
--- a/samply/Cargo.toml
+++ b/samply/Cargo.toml
@@ -27,7 +27,7 @@ clap = { version = "4", features = ["derive"] }
 byteorder = "1.4.3"
 debugid = "0.8.0"
 memchr = "2.7.2"
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 serde_json = "1"
 thiserror = "2"
 tempfile = "3.13"
diff --git a/tools/dump_table/Cargo.toml b/tools/dump_table/Cargo.toml
index 113eecd4..2257ad13 100644
--- a/tools/dump_table/Cargo.toml
+++ b/tools/dump_table/Cargo.toml
@@ -15,6 +15,6 @@ chunked_caching = []
 # samply-symbols = { path = "../../samply-symbols", features = ["partial_read_stats"] }
 samply-symbols = { path = "../../samply-symbols" }
 clap = { version = "4", features = ["derive"] }
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 anyhow = "1"
 futures = "0.3.5"
diff --git a/tools/query_api/Cargo.toml b/tools/query_api/Cargo.toml
index df4a6a38..26ae62c7 100644
--- a/tools/query_api/Cargo.toml
+++ b/tools/query_api/Cargo.toml
@@ -9,7 +9,7 @@ publish = false
 [dependencies]
 samply-api = { path = "../../samply-api" }
 clap = { version = "4", features = ["derive"] }
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 anyhow = "1"
 futures = "0.3.5"
 serde_json = "1"
diff --git a/wholesym/Cargo.toml b/wholesym/Cargo.toml
index 4bf08453..8c7f6c7b 100644
--- a/wholesym/Cargo.toml
+++ b/wholesym/Cargo.toml
@@ -36,7 +36,7 @@ reqwest = { version = "0.12", default-features = false, features = [
     "deflate"
 ] }
 bytes = "1.10"
-memmap2 = "0.9.4"
+memmap2 = "0.9.9"
 tokio = { version = "1.38", features = ["fs", "macros"] }
 futures-util = "0.3.30"
 fs4 = "0.13"