diff --git a/%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E5%AE%9A%E7%BE%A9%E6%9B%B8%3Apost_similarities.md b/%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E5%AE%9A%E7%BE%A9%E6%9B%B8%3Apost_similarities.md
index 924e37e..4589f83 100644
--- a/%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E5%AE%9A%E7%BE%A9%E6%9B%B8%3Apost_similarities.md
+++ b/%E3%83%86%E3%83%BC%E3%83%96%E3%83%AB%E5%AE%9A%E7%BE%A9%E6%9B%B8%3Apost_similarities.md
@@ -4,4 +4,4 @@
 | id | 代理キー | BIGINT |  |  |   | |
 | post_id | 投稿 Id. | BIGINT |  |  |  |  |
 | target_post_id | 対象の投稿 Id. | BIGINT |  |  |  |  |
-| similarity | 類似度 | FLOAT |  |  |  |  |
+| similarity | 類似度 | DOUBLE |  |  |  |  |