1 files changed, 2 insertions, 0 deletions
diff --git a/ext/digest/digest.h b/ext/digest/digest.h
index ee3c680a36..f8c5dd3906 100644
--- a/ext/digest/digest.h
+++ b/ext/digest/digest.h
@@ -20,7 +20,9 @@ typedef void (*hash_update_func_t)(void *, unsigned char *, size_t);
 typedef void (*hash_finish_func_t)(void *, unsigned char *);
 
 typedef struct {
+    int api_version;
     size_t digest_len;
+    size_t block_len;
     size_t ctx_size;
     hash_init_func_t init_func;
     hash_update_func_t update_func;