diff --git a/tools/installers/install_chainer.sh b/tools/installers/install_chainer.sh
index 9000bfb0d5a..4ef3e4cdc58 100755
--- a/tools/installers/install_chainer.sh
+++ b/tools/installers/install_chainer.sh
@@ -16,6 +16,9 @@ if [ "${cuda_version}" = cpu ] || [ "${cuda_version}" = CPU ]; then
 fi
 
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 # espnet requires chiner=6.0.0
 chainer_version=6.0.0
 python_version=$(python3 -c "import sys; print(sys.version.split()[0])")
diff --git a/tools/installers/install_fairscale.sh b/tools/installers/install_fairscale.sh
index 4988a75736d..620b906ffd3 100755
--- a/tools/installers/install_fairscale.sh
+++ b/tools/installers/install_fairscale.sh
@@ -7,6 +7,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_version=$(python3 -c "import torch; print(torch.__version__)")
 python_36_plus=$(python3 <<EOF
 from packaging.version import parse as V
diff --git a/tools/installers/install_fairseq.sh b/tools/installers/install_fairseq.sh
index e13970c036f..f4f12007688 100755
--- a/tools/installers/install_fairseq.sh
+++ b/tools/installers/install_fairseq.sh
@@ -7,6 +7,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_version=$(python3 -c "import torch; print(torch.__version__)")
 python_36_plus=$(python3 <<EOF
 from packaging.version import parse as V
diff --git a/tools/installers/install_k2.sh b/tools/installers/install_k2.sh
index d41c16d39e7..03d21d7b873 100755
--- a/tools/installers/install_k2.sh
+++ b/tools/installers/install_k2.sh
@@ -25,6 +25,9 @@ else
     use_conda=$([[ $(conda list -e -c -f --no-pip pytorch 2>/dev/null) =~ pytorch ]] && echo true || echo false)
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 
 python_36_plus=$(python3 <<EOF
 from packaging.version import parse as V
diff --git a/tools/installers/install_longformer.sh b/tools/installers/install_longformer.sh
index d054fad50ea..891fad4e611 100755
--- a/tools/installers/install_longformer.sh
+++ b/tools/installers/install_longformer.sh
@@ -7,6 +7,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_version=$(python3 -c "import torch; print(torch.__version__)")
 python_36_plus=$(python3 <<EOF
 from packaging.version import parse as V
diff --git a/tools/installers/install_s3prl.sh b/tools/installers/install_s3prl.sh
index eeea6946c9c..68ee4ec9ad6 100755
--- a/tools/installers/install_s3prl.sh
+++ b/tools/installers/install_s3prl.sh
@@ -9,6 +9,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_17_plus=$(python3 <<EOF
 from packaging.version import parse as V
 import torch
diff --git a/tools/installers/install_speechbrain.sh b/tools/installers/install_speechbrain.sh
index cb26a78f3ad..420bfe9b636 100755
--- a/tools/installers/install_speechbrain.sh
+++ b/tools/installers/install_speechbrain.sh
@@ -7,6 +7,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_18_plus=$(python3 <<EOF
 from packaging.version import parse as V
 import torch
diff --git a/tools/installers/install_torch.sh b/tools/installers/install_torch.sh
index 5ea48c0de8a..78ea41983a0 100755
--- a/tools/installers/install_torch.sh
+++ b/tools/installers/install_torch.sh
@@ -126,6 +126,9 @@ log "[INFO] python_version=${python_version}"
 log "[INFO] torch_version=${torch_version}"
 log "[INFO] cuda_version=${cuda_version}"
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 
 if $(pytorch_plus 1.11.1); then
     log "[ERROR] This script doesn't support pytorch=${torch_version}"
diff --git a/tools/installers/install_torch_optimizer.sh b/tools/installers/install_torch_optimizer.sh
index a4b42d4fade..49fad9d504c 100755
--- a/tools/installers/install_torch_optimizer.sh
+++ b/tools/installers/install_torch_optimizer.sh
@@ -7,6 +7,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_version=$(python3 -c "import torch; print(torch.__version__)")
 python_36_plus=$(python3 <<EOF
 from packaging.version import parse as V
diff --git a/tools/installers/install_warp-ctc.sh b/tools/installers/install_warp-ctc.sh
index 259146ea388..5550afbd15a 100755
--- a/tools/installers/install_warp-ctc.sh
+++ b/tools/installers/install_warp-ctc.sh
@@ -8,6 +8,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 torch_17_plus=$(python3 <<EOF
 from packaging.version import parse as V
 import torch
diff --git a/tools/installers/install_warp-transducer.sh b/tools/installers/install_warp-transducer.sh
index 910083509d4..3265ef95ae0 100755
--- a/tools/installers/install_warp-transducer.sh
+++ b/tools/installers/install_warp-transducer.sh
@@ -6,6 +6,9 @@ if [ $# != 0 ]; then
     exit 1;
 fi
 
+if ! python -c "import packaging.version" &> /dev/null; then
+    python3 -m pip install packaging
+fi
 # TODO(kamo): Consider clang case
 # Note: Requires gcc>=4.9.2 to build extensions with pytorch>=1.0
 if python3 -c 'import torch as t;assert t.__version__[0] == "1"' &> /dev/null; then \