diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2767669b..9580f20e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -231,10 +231,10 @@ if (TVM_FFI_BUILD_PYTHON_MODULE)
 
   ########## Installing the source ##########
   install(
-    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dlpack/include DESTINATION 3rdparty/dlpack/include
+    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/dlpack/include/ DESTINATION 3rdparty/dlpack/include/
   )
   install(
-    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/libbacktrace DESTINATION 3rdparty/libbacktrace
+    DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/libbacktrace/ DESTINATION 3rdparty/libbacktrace/
     PATTERN ".git" EXCLUDE
     PATTERN ".git*" EXCLUDE
     PATTERN "*.tmp" EXCLUDE
diff --git a/pyproject.toml b/pyproject.toml
index 6c0c4908..e047529a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@
 
 [project]
 name = "apache-tvm-ffi"
-version = "0.1.0b2"
+version = "0.1.0b3"
 description = "tvm ffi"
 
 authors = [{ name = "TVM FFI team" }]