diff --git a/.github/ISSUE_TEMPLATE/1_user_support.md b/.github/ISSUE_TEMPLATE/1_user_support.md
index 7870e60..2c43946 100644
--- a/.github/ISSUE_TEMPLATE/1_user_support.md
+++ b/.github/ISSUE_TEMPLATE/1_user_support.md
@@ -6,6 +6,8 @@ labels: support
 assignees: peaceiris
 ---
 
+**Note that an issue which does not follow the template will be closed silently.**
+
 ### Check list before opening this issue
 
 - [ ] I read the latest README
diff --git a/.github/ISSUE_TEMPLATE/2_bug_report.md b/.github/ISSUE_TEMPLATE/2_bug_report.md
index 6a96a28..64ecee4 100644
--- a/.github/ISSUE_TEMPLATE/2_bug_report.md
+++ b/.github/ISSUE_TEMPLATE/2_bug_report.md
@@ -7,6 +7,8 @@ assignees: peaceiris
 
 ---
 
+**Note that an issue which does not follow the template will be closed silently.**
+
 ### Describe the bug
 
 A clear and concise description of what the bug is.
diff --git a/.github/ISSUE_TEMPLATE/3_proposal.md b/.github/ISSUE_TEMPLATE/3_proposal.md
index eacddbe..e48e1eb 100644
--- a/.github/ISSUE_TEMPLATE/3_proposal.md
+++ b/.github/ISSUE_TEMPLATE/3_proposal.md
@@ -7,6 +7,8 @@ assignees: peaceiris
 
 ---
 
+**Note that an issue which does not follow the template will be closed silently.**
+
 ### Is your feature request related to a problem? Please describe
 
 A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]