diff --git a/Cargo.lock b/Cargo.lock
index 4fdab01..44890ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -548,9 +548,9 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.30"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
+checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
 [[package]]
 name = "plotters"
diff --git a/jpegxl-sys/Cargo.toml b/jpegxl-sys/Cargo.toml
index bdd1a1b..a06c510 100644
--- a/jpegxl-sys/Cargo.toml
+++ b/jpegxl-sys/Cargo.toml
@@ -25,7 +25,7 @@ module_name_repetitions = "allow"
 features = ["docs"]
 
 [build-dependencies]
-pkg-config = "0.3.29"
+pkg-config = "0.3.31"
 
 [build-dependencies.jpegxl-src]
 version = "0.10.4"