diff --git a/.files b/.files
index b4a8576..ce8562a 100644
Binary files a/.files and b/.files differ
diff --git a/.rev b/.rev
index 42b77b8..6bb6272 100644
--- a/.rev
+++ b/.rev
@@ -460,4 +460,12 @@ Documentation
     <comment></comment>
     <requestid>811339</requestid>
   </revision>
+  <revision rev="54" vrev="1">
+    <srcmd5>ff7adae62448d5813c846accf05d253f</srcmd5>
+    <version>3.6.4</version>
+    <time>1593006454</time>
+    <user>dimstar_suse</user>
+    <comment></comment>
+    <requestid>815336</requestid>
+  </revision>
 </revisionlist>
diff --git a/bison-3.6.3.tar.xz b/bison-3.6.3.tar.xz
deleted file mode 120000
index a4fbb31..0000000
--- a/bison-3.6.3.tar.xz
+++ /dev/null
@@ -1 +0,0 @@
-/ipfs/bafybeidetmtmrpizqeof2vz7rpick3j6yxhahmln7ompw3md7fxvxjim64
\ No newline at end of file
diff --git a/bison-3.6.3.tar.xz.sig b/bison-3.6.3.tar.xz.sig
deleted file mode 100644
index dcec1c0..0000000
--- a/bison-3.6.3.tar.xz.sig
+++ /dev/null
@@ -1,6 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iF0EABECAB0WIQR9+EN0se4fl2S74l0N3KoyeNUmTgUCXtc8LQAKCRAN3KoyeNUm
-Tnc8AJ0c0sSe/Io8ob2QjTf2L4w8DnkQXACgm/nvk784ToQbfNI2a+i0VlwBp/0=
-=jyPZ
------END PGP SIGNATURE-----
diff --git a/bison-3.6.4.tar.xz b/bison-3.6.4.tar.xz
new file mode 120000
index 0000000..f302e3c
--- /dev/null
+++ b/bison-3.6.4.tar.xz
@@ -0,0 +1 @@
+/ipfs/bafybeihbnh5pxq3mxeb2terqaqpw6cohapkypyzgzuavdt7liovbygqjpa
\ No newline at end of file
diff --git a/bison-3.6.4.tar.xz.sig b/bison-3.6.4.tar.xz.sig
new file mode 100644
index 0000000..46b0979
--- /dev/null
+++ b/bison-3.6.4.tar.xz.sig
@@ -0,0 +1,6 @@
+-----BEGIN PGP SIGNATURE-----
+
+iF0EABECAB0WIQR9+EN0se4fl2S74l0N3KoyeNUmTgUCXufHlQAKCRAN3KoyeNUm
+TkWRAKCI+Pvf63z+lH/AwlyxjgeKwLPZqQCgoj3AkZNb6nvtw6B3KFz3by+1NYc=
+=STV7
+-----END PGP SIGNATURE-----
diff --git a/bison.changes b/bison.changes
index a9793b0..7d77ad9 100644
--- a/bison.changes
+++ b/bison.changes
@@ -1,4 +1,11 @@
 -------------------------------------------------------------------
+Tue Jun 16 19:50:24 UTC 2020 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- GNU bison 3.6.4:
+  * In glr.cc some internal macros leaked in the user's code, and
+    could damage access to the token kinds
+
+-------------------------------------------------------------------
 Thu Jun  4 07:36:26 UTC 2020 - Andreas Stieger <andreas.stieger@gmx.de>
 
 - GNU bison 3.6.3:
diff --git a/bison.spec b/bison.spec
index ceda8bb..9921b58 100644
--- a/bison.spec
+++ b/bison.spec
@@ -17,7 +17,7 @@
 
 
 Name:           bison
-Version:        3.6.3
+Version:        3.6.4
 Release:        0
 Summary:        The GNU Parser Generator
 License:        GPL-3.0-or-later