diff --git a/ql/Cargo.lock b/ql/Cargo.lock
index d9961c9d94fe..1dbed68a98cd 100644
--- a/ql/Cargo.lock
+++ b/ql/Cargo.lock
@@ -32,7 +32,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.1.19",
  "libc",
  "winapi",
 ]
@@ -155,6 +155,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.2"
@@ -235,11 +244,11 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.14.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
+checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.2.6",
  "libc",
 ]
 
diff --git a/ql/extractor/Cargo.toml b/ql/extractor/Cargo.toml
index a3c899609e21..65c6adb793c4 100644
--- a/ql/extractor/Cargo.toml
+++ b/ql/extractor/Cargo.toml
@@ -17,5 +17,5 @@ clap = "2.33"
 tracing = "0.1"
 tracing-subscriber = { version = "0.3.16", features = ["env-filter"] }
 rayon = "1.5.0"
-num_cpus = "1.14.0"
+num_cpus = "1.15.0"
 regex = "1.7.1"