diff --git a/lm_sensors-3.5.0-libsensors-fix-soname.patch b/lm_sensors-3.5.0-libsensors-fix-soname.patch
new file mode 100644
index 0000000..561f95d
--- /dev/null
+++ b/lm_sensors-3.5.0-libsensors-fix-soname.patch
@@ -0,0 +1,49 @@
+From: Jean Delvare <jdelvare@suse.de>
+Subject: libsensors: Undo excessive API version bump
+
+The new library is compatible with previous versions, it only has
+added symbols, no changes nor removals. So the major version number
+shall stay the same.
+
+Signed-off-by: Jean Delvare <jdelvare@suse.de>
+---
+ doc/libsensors-API.txt |    2 +-
+ lib/Module.mk          |    4 ++--
+ lib/sensors.h          |    2 +-
+ 3 files changed, 4 insertions(+), 4 deletions(-)
+
+--- lm-sensors-3-5-0.orig/doc/libsensors-API.txt	2018-11-23 18:05:48.000000000 +0100
++++ lm-sensors-3-5-0/doc/libsensors-API.txt	2018-12-16 13:17:38.849215990 +0100
+@@ -6,7 +6,7 @@ over time. This document summarizes thes
+ authors can quickly figure out how to test for the availability of a
+ given new feature.
+ 
+-0x500   lm-sensors 3.5.0
++0x450   lm-sensors 3.5.0
+ * Added support for power min, lcrit, min_alarm and lcrit_alarm
+   enum sensors_subfeature_type SENSORS_SUBFEATURE_POWER_MIN
+   enum sensors_subfeature_type SENSORS_SUBFEATURE_POWER_LCRIT
+--- lm-sensors-3-5-0.orig/lib/Module.mk	2018-11-23 18:05:48.000000000 +0100
++++ lm-sensors-3-5-0/lib/Module.mk	2018-12-16 13:17:00.255735414 +0100
+@@ -32,8 +32,8 @@ LIBMAN5FILES := $(MODULE_DIR)/sensors.co
+ # The library soname (major number) must be changed if and only if the interface is
+ # changed in a backward incompatible way.  The interface is defined by
+ # the public header files - in this case they are error.h and sensors.h.
+-LIBMAINVER := 5
+-LIBMINORVER := 0.0
++LIBMAINVER := 4
++LIBMINORVER := 5.0
+ LIBVER := $(LIBMAINVER).$(LIBMINORVER)
+ 
+ # The static lib name, the shared lib name, and the internal ('so') name of
+--- lm-sensors-3-5-0.orig/lib/sensors.h	2018-11-23 18:05:48.000000000 +0100
++++ lm-sensors-3-5-0/lib/sensors.h	2018-12-16 13:16:45.113546854 +0100
+@@ -31,7 +31,7 @@
+    when the API or ABI breaks), the third digit is incremented to track small
+    API additions like new flags / enum values. The second digit is for tracking
+    larger additions like new methods. */
+-#define SENSORS_API_VERSION		0x500
++#define SENSORS_API_VERSION		0x450
+ 
+ #define SENSORS_CHIP_NAME_PREFIX_ANY	NULL
+ #define SENSORS_CHIP_NAME_ADDR_ANY	(-1)
diff --git a/sensors.changes b/sensors.changes
index 955616c..f92a11a 100644
--- a/sensors.changes
+++ b/sensors.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Dec 16 12:19:48 UTC 2018 - jdelvare@suse.com
+
+- lm_sensors-3.5.0-libsensors-fix-soname.patch: Undo excessive
+  libsensors version bump.
+
 -------------------------------------------------------------------
 Sat Nov 24 01:08:57 UTC 2018 - malcolmlewis@opensuse.org
 
diff --git a/sensors.spec b/sensors.spec
index 4a554b6..be76ff8 100644
--- a/sensors.spec
+++ b/sensors.spec
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via https://bugs.opensuse.org/
+# Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
 
@@ -44,6 +44,7 @@ Patch6:         lm_sensors-3.4.0-sensord-service-extra-args.patch
 Patch7:         lm_sensors-3.4.0-sensors-detect-add-ftsteutates-support.patch
 #PATCH-BUGFIX-UPSTREAM sensors-detect on ppc
 Patch8:         lm_sensors-3.4.0-sensors-detect-ppc64le.patch
+Patch9:         lm_sensors-3.5.0-libsensors-fix-soname.patch
 BuildRequires:  bison
 BuildRequires:  flex
 BuildRequires:  rrdtool-devel
@@ -113,6 +114,7 @@ sense to the user.
 %patch6 -p1
 %patch7 -p1
 %patch8 -p1
+%patch9 -p1
 
 %build
 RPM_OPT_FLAGS="%{optflags}"