diff --git a/Cargo.lock b/Cargo.lock
index 1df0670089ded..30e1df796fa35 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -776,7 +776,7 @@ dependencies = [
  "cc",
  "cfg-if",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.5.1",
  "object",
  "rustc-demangle",
 ]
@@ -2151,13 +2151,13 @@ checksum = "279fb028e20b3c4c320317955b77c5e0c9701f05a1d309905d6fc702cdc5053e"
 
 [[package]]
 name = "flate2"
-version = "1.0.24"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+checksum = "46303f565772937ffe1d394a4fac6f411c6013172fadde9dcdb1e147a086940e"
 dependencies = [
  "crc32fast",
  "libz-sys",
- "miniz_oxide",
+ "miniz_oxide 0.7.1",
 ]
 
 [[package]]
@@ -3321,6 +3321,15 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.8"
diff --git a/src/avro/Cargo.toml b/src/avro/Cargo.toml
index 828239fb0b004..d24c55f87fc66 100644
--- a/src/avro/Cargo.toml
+++ b/src/avro/Cargo.toml
@@ -21,7 +21,7 @@ chrono = { version = "0.4.23", default-features = false, features = ["std"] }
 crc32fast = { version = "1.3.2", optional = true }
 digest = "0.10.6"
 enum-kinds = "0.5.1"
-flate2 = "1.0.24"
+flate2 = "1.0.28"
 itertools = "0.10.5"
 mz-ore = { path = "../ore", features = ["test"] }
 once_cell = "1.16.0"
diff --git a/src/npm/Cargo.toml b/src/npm/Cargo.toml
index 2960f3a776f91..05113e23db714 100644
--- a/src/npm/Cargo.toml
+++ b/src/npm/Cargo.toml
@@ -11,7 +11,7 @@ workspace = true
 
 [dependencies]
 anyhow = "1.0.66"
-flate2 = "1.0.24"
+flate2 = "1.0.28"
 hex = "0.4.3"
 hex-literal = "0.3.4"
 reqwest = { version = "0.11.13", features = ["blocking", "native-tls-vendored"] }
diff --git a/src/prof/Cargo.toml b/src/prof/Cargo.toml
index 9f9ee820d353e..a42e5aba5d121 100644
--- a/src/prof/Cargo.toml
+++ b/src/prof/Cargo.toml
@@ -13,7 +13,7 @@ workspace = true
 [dependencies]
 anyhow = "1.0.66"
 backtrace = "0.3.66"
-flate2 = "1.0.24"
+flate2 = "1.0.28"
 libc = "0.2.138"
 once_cell = "1.16.0"
 mz-ore = { path = "../ore", default-features = false }
diff --git a/src/testdrive/Cargo.toml b/src/testdrive/Cargo.toml
index 774e77c281df0..e6bbf3b45f4b4 100644
--- a/src/testdrive/Cargo.toml
+++ b/src/testdrive/Cargo.toml
@@ -22,7 +22,7 @@ byteorder = "1.4.3"
 bytes = "1.3.0"
 chrono = { version = "0.4.23", default-features = false, features = ["std"] }
 clap = { version = "3.2.24", features = ["derive"] }
-flate2 = "1.0.24"
+flate2 = "1.0.28"
 futures = "0.3.25"
 globset = "0.4.9"
 hex = "0.4.3"
diff --git a/src/workspace-hack/Cargo.toml b/src/workspace-hack/Cargo.toml
index 6ad7d67cecb57..19bce78078433 100644
--- a/src/workspace-hack/Cargo.toml
+++ b/src/workspace-hack/Cargo.toml
@@ -43,7 +43,7 @@ debugid = { version = "0.8.0", default-features = false, features = ["serde"] }
 dec = { version = "0.4.8", default-features = false, features = ["serde"] }
 digest = { version = "0.10.6", features = ["mac", "std"] }
 either = { version = "1.8.0", features = ["serde"] }
-flate2 = { version = "1.0.24", features = ["zlib"] }
+flate2 = { version = "1.0.28", features = ["zlib"] }
 futures-channel = { version = "0.3.28", features = ["sink"] }
 futures-core = { version = "0.3.28" }
 futures-executor = { version = "0.3.25" }
@@ -156,7 +156,7 @@ debugid = { version = "0.8.0", default-features = false, features = ["serde"] }
 dec = { version = "0.4.8", default-features = false, features = ["serde"] }
 digest = { version = "0.10.6", features = ["mac", "std"] }
 either = { version = "1.8.0", features = ["serde"] }
-flate2 = { version = "1.0.24", features = ["zlib"] }
+flate2 = { version = "1.0.28", features = ["zlib"] }
 futures-channel = { version = "0.3.28", features = ["sink"] }
 futures-core = { version = "0.3.28" }
 futures-executor = { version = "0.3.25" }