diff --git a/rust/imzero2/Cargo.lock b/rust/imzero2/Cargo.lock
index 906ae9ff..0280bf3b 100644
--- a/rust/imzero2/Cargo.lock
+++ b/rust/imzero2/Cargo.lock
@@ -2831,9 +2831,9 @@ checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
 
 [[package]]
 name = "lz4_flex"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08ab2867e3eeeca90e844d1940eab391c9dc5228783db2ed999acbc0a9ed375a"
+checksum = "373f5eceeeab7925e0c1098212f2fbc4d416adec9d35051a6ab251e824c1854a"
 
 [[package]]
 name = "lz4_flex"
@@ -3812,7 +3812,7 @@ dependencies = [
  "byteorder",
  "cfg-if",
  "itertools 0.10.5",
- "lz4_flex 0.11.5",
+ "lz4_flex 0.11.6",
  "once_cell",
  "parking_lot",
  "serde",