diff --git a/demos/grasp_fusion/.make/install.sh b/demos/grasp_fusion/.make/install.sh
index 52103bf1f..c8de6aa24 100755
--- a/demos/grasp_fusion/.make/install.sh
+++ b/demos/grasp_fusion/.make/install.sh
@@ -13,12 +13,12 @@ set -e
 echo_bold "==> Installing Anaconda"
 if [ "$PYTHONVERSION" = "3" ]; then
   if [ ! -e $ROOT/.anaconda3 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda3.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda3.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda3 $ROOT/.anaconda
 else
   if [ ! -e $ROOT/.anaconda2 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda2.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda2.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda2 $ROOT/.anaconda
 fi
diff --git a/demos/grasp_prediction_arc2017/.make/install.sh b/demos/grasp_prediction_arc2017/.make/install.sh
index 4a1d00595..5cf2944cb 100755
--- a/demos/grasp_prediction_arc2017/.make/install.sh
+++ b/demos/grasp_prediction_arc2017/.make/install.sh
@@ -13,12 +13,12 @@ set -e
 echo_bold "==> Installing Anaconda"
 if [ "$PYTHONVERSION" = "3" ]; then
   if [ ! -e $ROOT/.anaconda3 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda3.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda3.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda3 $ROOT/.anaconda
 else
   if [ ! -e $ROOT/.anaconda2 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda2.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda2.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda2 $ROOT/.anaconda
 fi
diff --git a/demos/instance_occlsegm/.make/install.sh b/demos/instance_occlsegm/.make/install.sh
index b065e24d7..8e7d55ef0 100755
--- a/demos/instance_occlsegm/.make/install.sh
+++ b/demos/instance_occlsegm/.make/install.sh
@@ -13,12 +13,12 @@ set -e
 echo_bold "==> Installing Anaconda"
 if [ "$PYTHONVERSION" = "3" ]; then
   if [ ! -e $ROOT/.anaconda3 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda3.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda3.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda3 $ROOT/.anaconda
 else
   if [ ! -e $ROOT/.anaconda2 ]; then
-    curl -L https://github.com/wkentaro/dotfiles/raw/master/local/bin/install_anaconda2.sh | bash -s $ROOT
+    curl -L https://github.com/wkentaro/dotfiles/raw/f5151644cdb8a0503e8d1d33ad40ca5a7c73b14b/local/bin/install_anaconda2.sh | bash -s $ROOT
   fi
   ln -fs $ROOT/.anaconda2 $ROOT/.anaconda
 fi