diff --git a/vendor/curl-sys-0.4.52+curl-7.81.0/build.rs b/vendor/curl-sys-0.4.52+curl-7.81.0/build.rs
index e9a2a42..560bfed 100644
--- a/vendor/curl-sys-0.4.52+curl-7.81.0/build.rs
+++ b/vendor/curl-sys-0.4.52+curl-7.81.0/build.rs
@@ -111,6 +111,8 @@ fn main() {
         .include("curl/lib")
         .include("curl/include")
         .define("BUILDING_LIBCURL", None)
+        .define("CURL_CA_BUNDLE", "\"/etc/ssl/cert.pem\"")
+        .define("CURL_CA_PATH", "\"/etc/ssl/certs\"")
         .define("CURL_DISABLE_DICT", None)
         .define("CURL_DISABLE_GOPHER", None)
         .define("CURL_DISABLE_IMAP", None)
diff --git a/vendor/curl-sys-0.4.74+curl-8.9.0/build.rs b/vendor/curl-sys-0.4.74+curl-8.9.0/build.rs
index 7d9a661..683354e 100644
--- a/vendor/curl-sys-0.4.74+curl-8.9.0/build.rs
+++ b/vendor/curl-sys-0.4.74+curl-8.9.0/build.rs
@@ -109,6 +109,8 @@ fn main() {
         .include("curl/lib")
         .include("curl/include")
         .define("BUILDING_LIBCURL", None)
+        .define("CURL_CA_BUNDLE", "\"/etc/ssl/cert.pem\"")
+        .define("CURL_CA_PATH", "\"/etc/ssl/certs\"")
         .define("CURL_DISABLE_DICT", None)
         .define("CURL_DISABLE_GOPHER", None)
         .define("CURL_DISABLE_IMAP", None)