diff --git a/3rdparty/tvm b/3rdparty/tvm
index 8a1bf865a..7edc860c2 160000
--- a/3rdparty/tvm
+++ b/3rdparty/tvm
@@ -1 +1 @@
-Subproject commit 8a1bf865ae256ff4ae98eabf714b84c10425f912
+Subproject commit 7edc860c2311789d2f149f16e1f0b5580b6d90d3
diff --git a/install.sh b/install.sh
index db3b36827..c3bb0fe0b 100755
--- a/install.sh
+++ b/install.sh
@@ -53,6 +53,9 @@ echo "LLVM config path: $LLVM_CONFIG_PATH"
 git submodule update --init --recursive
 
 cd 3rdparty/tvm
+if [ -d build ]; then
+    rm -rf build
+fi
 mkdir build
 cp cmake/config.cmake build
 cd build