diff --git a/xmss_commons.c b/xmss_commons.c
index 18f648d64..59486aead 100644
--- a/xmss_commons.c
+++ b/xmss_commons.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: xmss_commons.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 xmss_commons.c 20160722
 Andreas Hülsing
diff --git a/xmss_commons.h b/xmss_commons.h
index 6617cef3e..d5a14aa39 100644
--- a/xmss_commons.h
+++ b/xmss_commons.h
@@ -1,4 +1,5 @@
 #ifdef WITH_XMSS
+/* $OpenBSD: xmss_commons.h,v 1.3 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 xmss_commons.h 20160722
 Andreas Hülsing
diff --git a/xmss_fast.c b/xmss_fast.c
index 577a9c3e3..e61d657c3 100644
--- a/xmss_fast.c
+++ b/xmss_fast.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: xmss_fast.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 xmss_fast.c version 20160722
 Andreas Hülsing
diff --git a/xmss_fast.h b/xmss_fast.h
index 52a83f869..2ffba7057 100644
--- a/xmss_fast.h
+++ b/xmss_fast.h
@@ -1,4 +1,5 @@
 #ifdef WITH_XMSS
+/* $OpenBSD: xmss_fast.h,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 xmss_fast.h version 20160722
 Andreas Hülsing
diff --git a/xmss_hash.c b/xmss_hash.c
index f90e0560c..b9eee7cff 100644
--- a/xmss_hash.c
+++ b/xmss_hash.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: xmss_hash.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 hash.c version 20160722
 Andreas Hülsing
diff --git a/xmss_hash.h b/xmss_hash.h
index e01960cdb..d19c62152 100644
--- a/xmss_hash.h
+++ b/xmss_hash.h
@@ -1,4 +1,5 @@
 #ifdef WITH_XMSS
+/* $OpenBSD: xmss_hash.h,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 hash.h version 20160722
 Andreas Hülsing
diff --git a/xmss_hash_address.c b/xmss_hash_address.c
index 21ae1033d..c6c1347e9 100644
--- a/xmss_hash_address.c
+++ b/xmss_hash_address.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: xmss_hash_address.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 hash_address.c version 20160722
 Andreas Hülsing
diff --git a/xmss_hash_address.h b/xmss_hash_address.h
index 7381aab09..66bb4cc4d 100644
--- a/xmss_hash_address.h
+++ b/xmss_hash_address.h
@@ -1,4 +1,5 @@
 #ifdef WITH_XMSS
+/* $OpenBSD: xmss_hash_address.h,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 hash_address.h version 20160722
 Andreas Hülsing
diff --git a/xmss_wots.c b/xmss_wots.c
index 7767a6561..b4702ed8d 100644
--- a/xmss_wots.c
+++ b/xmss_wots.c
@@ -1,3 +1,4 @@
+/* $OpenBSD: xmss_wots.c,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 wots.c version 20160722
 Andreas Hülsing
diff --git a/xmss_wots.h b/xmss_wots.h
index 6b3177c22..b8a178e8b 100644
--- a/xmss_wots.h
+++ b/xmss_wots.h
@@ -1,4 +1,5 @@
 #ifdef WITH_XMSS
+/* $OpenBSD: xmss_wots.h,v 1.2 2018/02/26 03:56:44 dtucker Exp $ */
 /*
 wots.h version 20160722
 Andreas Hülsing