diff --git a/pkgs/development/python-modules/pytorch/bin.nix b/pkgs/development/python-modules/pytorch/bin.nix
index 593635ab42f8..e9bc58321df5 100644
--- a/pkgs/development/python-modules/pytorch/bin.nix
+++ b/pkgs/development/python-modules/pytorch/bin.nix
@@ -18,7 +18,7 @@ let
   pyVerNoDot = builtins.replaceStrings [ "." ] [ "" ] python.pythonVersion;
   srcs = import ./binary-hashes.nix version;
   unsupported = throw "Unsupported system";
-  version = "1.9.0";
+  version = "1.9.1";
 in buildPythonPackage {
   inherit version;
 
@@ -67,6 +67,6 @@ in buildPythonPackage {
     changelog = "https://github.com/pytorch/pytorch/releases/tag/v${version}";
     license = licenses.unfree; # Includes CUDA and Intel MKL.
     platforms = platforms.linux;
-    maintainers = with maintainers; [ ];
+    maintainers = with maintainers; [ junjihashimoto ];
   };
 }
diff --git a/pkgs/development/python-modules/pytorch/binary-hashes.nix b/pkgs/development/python-modules/pytorch/binary-hashes.nix
index d6fbde19f0f3..0fbf9ae91287 100644
--- a/pkgs/development/python-modules/pytorch/binary-hashes.nix
+++ b/pkgs/development/python-modules/pytorch/binary-hashes.nix
@@ -1,17 +1,26 @@
-version: {
-  x86_64-linux-37 = {
-    name = "torch-${version}-cp37-cp37m-linux_x86_64.whl";
-    url = "https://download.pytorch.org/whl/cu111/torch-${version}%2Bcu111-cp37-cp37m-linux_x86_64.whl";
-    hash = "sha256-GOTC4HpSxd+3V4LNPy3Ig1+IAhm3U+6s/gOkKxD4AJE=";
-  };
-  x86_64-linux-38 = {
-    name = "torch-${version}-cp38-cp38-linux_x86_64.whl";
-    url = "https://download.pytorch.org/whl/cu111/torch-${version}%2Bcu111-cp38-cp38-linux_x86_64.whl";
-    hash = "sha256-29KiXQJWCRRn92+ZddBq3Q+zYIKavUxB5HL3HafO0gc=";
-  };
-  x86_64-linux-39 = {
-    name = "torch-${version}-cp39-cp39-linux_x86_64.whl";
-    url = "https://download.pytorch.org/whl/cu111/torch-${version}%2Bcu111-cp39-cp39-linux_x86_64.whl";
-    hash = "sha256-VCLRkELiF8KqlAMLFrP+TaW+m6jupG5+WdQKEQlVli0=";
+# Warning: use the same CUDA version as pytorch-bin.
+#
+# Precompiled wheels can be found at:
+# https://download.pytorch.org/whl/torch_stable.html
+
+# To add a new version, run "prefetch.sh 'new-version'" to paste the generated file as follows.
+
+version : builtins.getAttr version {
+  "1.9.1" = {
+    x86_64-linux-37 = {
+      name = "torch-1.9.1-cp37-cp37m-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torch-1.9.1%2Bcu111-cp37-cp37m-linux_x86_64.whl";
+      hash = "sha256-qzXbbpLX+ZlRv41oAyQRk3guU0n/6vuNzWw+nOieL6s=";
+    };
+    x86_64-linux-38 = {
+      name = "torch-1.9.1-cp38-cp38-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torch-1.9.1%2Bcu111-cp38-cp38-linux_x86_64.whl";
+      hash = "sha256-JUbcqugax08/iN1LKfXq0ohSpejmbKhbT0by7qMGAzw=";
+    };
+    x86_64-linux-39 = {
+      name = "torch-1.9.1-cp39-cp39-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torch-1.9.1%2Bcu111-cp39-cp39-linux_x86_64.whl";
+      hash = "sha256-wNLLtR9ZxKkVOTzwbAikM5H83pXyH+aPHVFyfrO4c1M=";
+    };
   };
 }
diff --git a/pkgs/development/python-modules/pytorch/prefetch.sh b/pkgs/development/python-modules/pytorch/prefetch.sh
new file mode 100755
index 000000000000..65007f11bf7b
--- /dev/null
+++ b/pkgs/development/python-modules/pytorch/prefetch.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p nix-prefetch-scripts
+
+version=$1
+
+bucket="https://download.pytorch.org/whl/cu111"
+
+url_and_key_list=(
+"x86_64-linux-37 $bucket/torch-${version}%2Bcu111-cp37-cp37m-linux_x86_64.whl torch-${version}-cp37-cp37m-linux_x86_64.whl"
+"x86_64-linux-38 $bucket/torch-${version}%2Bcu111-cp38-cp38-linux_x86_64.whl torch-${version}-cp38-cp38-linux_x86_64.whl"
+"x86_64-linux-39 $bucket/torch-${version}%2Bcu111-cp39-cp39-linux_x86_64.whl torch-${version}-cp39-cp39-linux_x86_64.whl"
+)
+
+hashfile=binary-hashes-"$version".nix
+rm -f $hashfile
+echo "  \"$version\" = {" >> $hashfile
+
+for url_and_key in "${url_and_key_list[@]}"; do
+  key=$(echo "$url_and_key" | cut -d' ' -f1)
+  url=$(echo "$url_and_key" | cut -d' ' -f2)
+  name=$(echo "$url_and_key" | cut -d' ' -f3)
+
+  echo "prefetching ${url}..."
+  hash=$(nix hash to-sri --type sha256 `nix-prefetch-url "$url" --name "$name"`)
+
+  echo "    $key = {" >> $hashfile
+  echo "      name = \"$name\";" >> $hashfile
+  echo "      url = \"$url\";" >> $hashfile
+  echo "      hash = \"$hash\";" >> $hashfile
+  echo "    };" >> $hashfile
+
+  echo
+done
+
+echo "  };" >> $hashfile
+echo "done."
diff --git a/pkgs/development/python-modules/torchvision/bin.nix b/pkgs/development/python-modules/torchvision/bin.nix
index e874d22c1029..a69531f2d062 100644
--- a/pkgs/development/python-modules/torchvision/bin.nix
+++ b/pkgs/development/python-modules/torchvision/bin.nix
@@ -15,7 +15,7 @@ let
   pyVerNoDot = builtins.replaceStrings [ "." ] [ "" ] python.pythonVersion;
   srcs = import ./binary-hashes.nix version;
   unsupported = throw "Unsupported system";
-  version = "0.10.0";
+  version = "0.10.1";
 in buildPythonPackage {
   inherit version;
 
diff --git a/pkgs/development/python-modules/torchvision/binary-hashes.nix b/pkgs/development/python-modules/torchvision/binary-hashes.nix
index c9b5a4df42ea..239db8bdb864 100644
--- a/pkgs/development/python-modules/torchvision/binary-hashes.nix
+++ b/pkgs/development/python-modules/torchvision/binary-hashes.nix
@@ -6,21 +6,21 @@
 # To add a new version, run "prefetch.sh 'new-version'" to paste the generated file as follows.
 
 version : builtins.getAttr version {
-  "0.10.0" = {
+  "0.10.1" = {
     x86_64-linux-37 = {
-      name = "torchvision-0.10.0-cp37-cp37m-linux_x86_64.whl";
-      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.0%2Bcu111-cp37-cp37m-linux_x86_64.whl";
-      hash = "sha256-yMgRhp06/rYIIiDNehNrZYIrvIbPvusCxGJL0mL+Bs4=";
+      name = "torchvision-0.10.1-cp37-cp37m-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.1%2Bcu111-cp37-cp37m-linux_x86_64.whl";
+      hash = "sha256-1MdsCrOLGkYpfbtv011/b6QG+yKaE+O0jUKeUVj2BJY=";
     };
     x86_64-linux-38 = {
-      name = "torchvision-0.10.0-cp38-cp38-linux_x86_64.whl";
-      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.0%2Bcu111-cp38-cp38-linux_x86_64.whl";
-      hash = "sha256-p1bw+4KsdTuXle+AwXYQVL8elPMroAHV9lkXJGWbtPc=";
+      name = "torchvision-0.10.1-cp38-cp38-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.1%2Bcu111-cp38-cp38-linux_x86_64.whl";
+      hash = "sha256-LtmsnNSa9g3tCdjW1jhu7AZlGgfyYIVh5/2R+WwcxSo=";
     };
     x86_64-linux-39 = {
-      name = "torchvision-0.10.0-cp39-cp39-linux_x86_64.whl";
-      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.0%2Bcu111-cp39-cp39-linux_x86_64.whl";
-      hash = "sha256-AOfhnHThVdJx5qxj2LTj+T9dPMFxQoxP3duxIm1y7KE=";
+      name = "torchvision-0.10.1-cp39-cp39-linux_x86_64.whl";
+      url = "https://download.pytorch.org/whl/cu111/torchvision-0.10.1%2Bcu111-cp39-cp39-linux_x86_64.whl";
+      hash = "sha256-ZOC/angyiLeOhe+7dAs0W6XlQRKK00T/iI+aBgFNpA0=";
     };
   };
 }