diff --git a/security/2021-09.pub b/security/2021-09.pub
new file mode 100644
index 0000000..7faf897
--- /dev/null
+++ b/security/2021-09.pub
@@ -0,0 +1,2 @@
+untrusted comment: key for 2021.09 release public key
+RWTtNSOO5EJIkfExNdOewj5mqK1i6HLm2+fm4HQjqhz+qUq+ohYx+h4G
diff --git a/security/2021-10.pub b/security/2021-10.pub
new file mode 100644
index 0000000..db53008
--- /dev/null
+++ b/security/2021-10.pub
@@ -0,0 +1,2 @@
+untrusted comment: key for 2021.10 release public key
+RWRxLcwHnZvjABE3Sie/JIvEATMjBGYqyRGUWldOFw4/HGgyDWYKpWUu
diff --git a/security/2021-11.pub b/security/2021-11.pub
new file mode 100644
index 0000000..57e7911
--- /dev/null
+++ b/security/2021-11.pub
@@ -0,0 +1,2 @@
+untrusted comment: key for 2021.11 release public key
+RWSEDYEVbGYz/x3uRhWMpEBMxYj7/WGP31EqhxQAaiAo9SNgGo8ekCFW
diff --git a/security/2021-12.pub b/security/2021-12.pub
new file mode 100644
index 0000000..4c1b00d
--- /dev/null
+++ b/security/2021-12.pub
@@ -0,0 +1,2 @@
+untrusted comment: key for 2021.12 release public key
+RWRwGHhA55kUXmbdLXgMHyfoD3E5YHorpYLuxIGlFyiXKII6popvPWm6