diff --git a/Cargo.toml b/Cargo.toml
index 3324888f..421ec801 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,7 +31,7 @@ version = "1.0.0"
 features = ["v4"]
 
 [build-dependencies]
-pkg-config = "0.3.7"
+pkg-config = "0.3.15"
 semver = "1.0.0"
 
 [dev-dependencies]
diff --git a/libcryptsetup-rs-sys/Cargo.toml b/libcryptsetup-rs-sys/Cargo.toml
index a8b5b921..9bad44df 100644
--- a/libcryptsetup-rs-sys/Cargo.toml
+++ b/libcryptsetup-rs-sys/Cargo.toml
@@ -14,7 +14,7 @@ keywords = ["storage", "cryptsetup"]
 
 [build-dependencies]
 cc = "1.0.45"
-pkg-config = "0.3.7"
+pkg-config = "0.3.15"
 semver = "1.0.0"
 
 [build-dependencies.bindgen]