diff --git a/rustls-libssl/MATRIX.md b/rustls-libssl/MATRIX.md
index a1ed288..8db82d4 100644
--- a/rustls-libssl/MATRIX.md
+++ b/rustls-libssl/MATRIX.md
@@ -393,7 +393,7 @@
 | `SSL_is_init_finished`  |  | :white_check_mark: | :white_check_mark: |
 | `SSL_is_server`  |  |  | :white_check_mark: |
 | `SSL_key_update`  |  |  |  |
-| `SSL_load_client_CA_file`  |  | :white_check_mark: |  |
+| `SSL_load_client_CA_file`  |  | :white_check_mark: | :exclamation: [^stub] |
 | `SSL_load_client_CA_file_ex`  |  |  |  |
 | `SSL_new`  | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | `SSL_new_session_ticket`  |  |  |  |
diff --git a/rustls-libssl/build.rs b/rustls-libssl/build.rs
index 8962d62..7023065 100644
--- a/rustls-libssl/build.rs
+++ b/rustls-libssl/build.rs
@@ -148,6 +148,7 @@ const ENTRYPOINTS: &[&str] = &[
     "SSL_in_init",
     "SSL_is_init_finished",
     "SSL_is_server",
+    "SSL_load_client_CA_file",
     "SSL_new",
     "SSL_pending",
     "SSL_read",
diff --git a/rustls-libssl/src/entry.rs b/rustls-libssl/src/entry.rs
index e1eb0c5..d882770 100644
--- a/rustls-libssl/src/entry.rs
+++ b/rustls-libssl/src/entry.rs
@@ -1808,6 +1808,10 @@ entry_stub! {
     pub fn _SSL_CTX_set_client_CA_list(_ctx: *mut SSL_CTX, _name_list: *mut stack_st_X509_NAME);
 }
 
+entry_stub! {
+    pub fn _SSL_load_client_CA_file(_file: *const c_char) -> *mut stack_st_X509_NAME;
+}
+
 // no individual message logging
 
 entry_stub! {