Released version 3.6.4.
diff --git a/ChangeLog b/ChangeLog
index 38d9897..f642467 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2020-01-25  Martin Mares <mj@ucw.cz>
+
+	* Released as 3.6.4.
+
+	* A new back-end for the GNU Hurd was contributed by Joan Lledó.
+
+	* When printing VPD item identifiers, non-ASCII characters are escaped.
+
 2020-01-22  Martin Mares <mj@ucw.cz>
 
 	* Released as 3.6.3.
@@ -82,7 +90,7 @@
 	* The order in which back-ends are probed was decoupled from the
 	  internal back-end IDs. This helps, because new back-ends must have
 	  their ID allocated at the end to keep the ABI, but they might need
-	  to be proved earlier.
+	  to be probed earlier.
 
 	* The fbsd-device back-end should work again.
 
diff --git a/Makefile b/Makefile
index 0e29c95..49f8caf 100644
--- a/Makefile
+++ b/Makefile
@@ -4,8 +4,8 @@
 OPT=-O2
 CFLAGS=$(OPT) -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes
 
-VERSION=3.6.3
-DATE=2020-01-20
+VERSION=3.6.4
+DATE=2020-01-25
 
 # Host OS and release (override if you are cross-compiling)
 HOST=
diff --git a/lib/pci.h b/lib/pci.h
index 0adc5c6..47e3011 100644
--- a/lib/pci.h
+++ b/lib/pci.h
@@ -16,7 +16,7 @@
 #include "header.h"
 #include "types.h"
 
-#define PCI_LIB_VERSION 0x030603
+#define PCI_LIB_VERSION 0x030604
 
 #ifndef PCI_ABI
 #define PCI_ABI