diff --git a/Cargo.toml b/Cargo.toml
index bab8c72bdc..2f6b2d0d91 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ once_cell = "1.10.0"
 regex = { version = "1.5.5", default-features = false, features = ["std", "unicode"] }
 aho-corasick = "1.0"
 tantivy-fst = "0.4.0"
-memmap2 = { version = "0.6.0", optional = true }
+memmap2 = { version = "0.7.1", optional = true }
 lz4_flex = { version = "0.10", default-features = false, features = ["checked-decode"], optional = true }
 brotli = { version = "3.3.4", optional = true }
 zstd = { version = "0.12", optional = true, default-features = false }