diff --git a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
index 2a38c23149..2aa2ce05c9 100644
--- a/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/pgpkeys/chapter.sgml
@@ -321,6 +321,11 @@
       &pgpkey.andreas;
     </sect2>
 
+    <sect2 id="pgpkey-sergei">
+      <title>&a.sergei;</title>
+      &pgpkey.sergei;
+    </sect2>
+
     <sect2 id="pgpkey-maxim">
        <title>&a.maxim;</title>
        &pgpkey.maxim;
diff --git a/share/pgpkeys/pgpkeys.ent b/share/pgpkeys/pgpkeys.ent
index 8daaed34f4..87f5428807 100644
--- a/share/pgpkeys/pgpkeys.ent
+++ b/share/pgpkeys/pgpkeys.ent
@@ -116,6 +116,7 @@
 <!ENTITY pgpkey.scottl SYSTEM "scottl.key">
 <!ENTITY pgpkey.seanc SYSTEM "seanc.key">
 <!ENTITY pgpkey.security-officer SYSTEM "security-officer.key">
+<!ENTITY pgpkey.sergei SYSTEM "sergei.key">
 <!ENTITY pgpkey.sheldonh SYSTEM "sheldonh.key">
 <!ENTITY pgpkey.simon SYSTEM "simon.key">
 <!ENTITY pgpkey.sobomax SYSTEM "sobomax.key">
diff --git a/share/pgpkeys/sergei.key b/share/pgpkeys/sergei.key
new file mode 100644
index 0000000000..a298fdccb3
--- /dev/null
+++ b/share/pgpkeys/sergei.key
@@ -0,0 +1,43 @@
+<!-- $FreeBSD$ -->
+<!--
+sh ./addkey.sh sergei 3BA53401;
+-->
+<programlisting role="pgpfingerprint"><![CDATA[
+pub  1024D/3BA53401 2003-10-10 Sergei Kolobov <sergei@FreeBSD.org>
+     Key fingerprint = A2F4 5F34 0586 CC9C 493A  347C 14EC 6E69 3BA5 3401
+uid                            Sergei Kolobov <sergei@kolobov.com>
+sub  2048g/F8243671 2003-10-10
+]]></programlisting>
+<programlisting role="pgpkey"><![CDATA[
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+=EDjf
+-----END PGP PUBLIC KEY BLOCK-----
+]]></programlisting>