diff --git a/consensus/enclave/trusted/Cargo.lock b/consensus/enclave/trusted/Cargo.lock
index 7041ecd71c..3a456cd082 100644
--- a/consensus/enclave/trusted/Cargo.lock
+++ b/consensus/enclave/trusted/Cargo.lock
@@ -1321,9 +1321,9 @@ checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.22"
+version = "0.3.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12295df4f294471248581bc09bef3c38a5e46f1e36d6a37353621a0c6c357e1f"
+checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
 
 [[package]]
 name = "polyval"