diff --git a/sources/Cargo.lock b/sources/Cargo.lock
index 80e3ff386d5..95e9e94ece7 100644
--- a/sources/Cargo.lock
+++ b/sources/Cargo.lock
@@ -500,7 +500,7 @@ dependencies = [
  "cc",
  "cfg-if",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.4.4",
  "object",
  "rustc-demangle",
 ]
@@ -1228,14 +1228,12 @@ checksum = "4d3d6188b8804df28032815ea256b6955c9625c24da7525f387a7af02fbb8f01"
 
 [[package]]
 name = "flate2"
-version = "1.0.22"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
+checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
 dependencies = [
- "cfg-if",
  "crc32fast",
- "libc",
- "miniz_oxide",
+ "miniz_oxide 0.7.1",
 ]
 
 [[package]]
@@ -2001,6 +1999,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[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 = "0.7.14"