diff --git a/.github/CODE_OF_CONDUCT.md b/.github/CODE_OF_CONDUCT.md
new file mode 100644
index 00000000000..99bb1905d6e
--- /dev/null
+++ b/.github/CODE_OF_CONDUCT.md
@@ -0,0 +1,2 @@
+The PostgreSQL code of conduct can be found at
+<https://www.postgresql.org/about/policies/coc/>.
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
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index 00000000000..0108e729569
--- /dev/null
+++ b/.github/CONTRIBUTING.md
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+For information about contributing to PostgreSQL, see
+<https://www.postgresql.org/developer/>.
diff --git a/.github/SECURITY.md b/.github/SECURITY.md
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index 00000000000..ebdbe609dbb
--- /dev/null
+++ b/.github/SECURITY.md
@@ -0,0 +1,2 @@
+For information about reporting security issues, see
+<https://www.postgresql.org/support/security/>.