diff --git a/scripts/install_jetson.sh b/scripts/install_jetson.sh
index a86f70c4..52bcba6e 100755
--- a/scripts/install_jetson.sh
+++ b/scripts/install_jetson.sh
@@ -7,7 +7,7 @@ L4T_VERSION=$(dpkg-query --showformat='${Version}' --show nvidia-l4t-core | cut
 # Jetpack>=4.4 (OpenCV, CUDA, TensorRT) is required
 if dpkg --compare-versions $L4T_VERSION ge 32.6; then
     TF_VERSION=1.15.5
-    NV_VERSION=21.7
+    NV_VERSION=21.6
 elif dpkg --compare-versions $L4T_VERSION ge 32.5; then
     TF_VERSION=1.15.4
     NV_VERSION=20.12