diff --git a/lib/nvme/Makefile b/lib/nvme/Makefile
index 9cda30c9c..9e308673d 100644
--- a/lib/nvme/Makefile
+++ b/lib/nvme/Makefile
@@ -34,7 +34,7 @@
 SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
 include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
 
-SO_VER := 2
+SO_VER := 3
 SO_MINOR := 0
 SO_SUFFIX := $(SO_VER).$(SO_MINOR)
 
diff --git a/lib/nvmf/Makefile b/lib/nvmf/Makefile
index 2585bc4c4..188fe12f1 100644
--- a/lib/nvmf/Makefile
+++ b/lib/nvmf/Makefile
@@ -34,7 +34,7 @@
 SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
 include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
 
-SO_VER := 2
+SO_VER := 3
 SO_MINOR := 0
 SO_SUFFIX := $(SO_VER).$(SO_MINOR)
 
diff --git a/lib/thread/Makefile b/lib/thread/Makefile
index 361bba8ad..18ce22517 100644
--- a/lib/thread/Makefile
+++ b/lib/thread/Makefile
@@ -34,7 +34,7 @@
 SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
 include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
 
-SO_VER := 2
+SO_VER := 3
 SO_MINOR := 0
 SO_SUFFIX := $(SO_VER).$(SO_MINOR)