diff --git a/aws-lc-sys/include/rust_wrapper.h b/aws-lc-sys/include/rust_wrapper.h
index 62dfcc4677f..a6dead0a79a 100644
--- a/aws-lc-sys/include/rust_wrapper.h
+++ b/aws-lc-sys/include/rust_wrapper.h
@@ -78,6 +78,7 @@
 #include "openssl/x509.h"
 #include "openssl/x509_vfy.h"
 #include "openssl/x509v3.h"
+#include "openssl/experimental/kem_deterministic_api.h"
 
 #if defined(AWS_LC_RUST_INCLUDE_SSL)
 #include "openssl/ssl.h"