diff --git a/Cargo.lock b/Cargo.lock
index 7262080f98..1b722c39d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1406,9 +1406,9 @@ checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
 
 [[package]]
 name = "flate2"
-version = "1.0.20"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0"
+checksum = "80edafed416a46fb378521624fab1cfa2eb514784fd8921adbe8a8d8321da811"
 dependencies = [
  "cfg-if 1.0.0",
  "crc32fast",
diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index 0e9d1b2850..ed8b412d1b 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -818,9 +818,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.20"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0"
+checksum = "80edafed416a46fb378521624fab1cfa2eb514784fd8921adbe8a8d8321da811"
 dependencies = [
  "cfg-if 1.0.0",
  "crc32fast",
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index e7cf775e42..efb309b055 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -19,7 +19,7 @@ bzip2 = "0.4.3"
 dashmap = { version = "4.0.2", features = ["rayon", "raw-api"] }
 crossbeam-channel = "0.5"
 dir-diff = "0.3.2"
-flate2 = "1.0.20"
+flate2 = "1.0.21"
 fnv = "1.0.7"
 itertools = "0.10.1"
 lazy_static = "1.4.0"
diff --git a/storage-bigtable/Cargo.toml b/storage-bigtable/Cargo.toml
index e7b85664e2..5ad40ae8f8 100644
--- a/storage-bigtable/Cargo.toml
+++ b/storage-bigtable/Cargo.toml
@@ -15,7 +15,7 @@ backoff = { version = "0.3.0", features = ["tokio"] }
 bincode = "1.3.3"
 bzip2 = "0.4.3"
 enum-iterator = "0.7.0"
-flate2 = "1.0.20"
+flate2 = "1.0.21"
 goauth = "0.10.0"
 log = "0.4.14"
 prost = "0.8.0"