diff --git a/letsencrypt-auto-source/pieces/letsencrypt-auto-requirements.txt b/letsencrypt-auto-source/pieces/letsencrypt-auto-requirements.txt
index 0c642a33e..342aa2f88 100644
--- a/letsencrypt-auto-source/pieces/letsencrypt-auto-requirements.txt
+++ b/letsencrypt-auto-source/pieces/letsencrypt-auto-requirements.txt
@@ -1,6 +1,7 @@
 # This is the flattened list of packages certbot-auto installs. To generate
-# this, do `pip install --no-cache-dir -e acme -e . -e certbot-apache`, and
-# then use `hashin` or a more secure method to gather the hashes.
+# this, do
+# `pip install --no-cache-dir -e acme -e . -e certbot-apache -e certbot-nginx`,
+# and then use `hashin` or a more secure method to gather the hashes.
 
 argparse==1.4.0 \
     --hash=sha256:c31647edb69fd3d465a847ea3157d37bed1f95f19760b11a47aa91c04b666314 \
@@ -117,6 +118,15 @@ pyasn1==0.1.9 \
 pyopenssl==16.0.0 \
     --hash=sha256:5add70cf00273bf957ca31fdb0df9b0ae4639e081897d5f86a0ae1f104901230 \
     --hash=sha256:363d10ee43d062285facf4e465f4f5163f9f702f9134f0a5896f134cbb92d17d
+pyparsing==2.1.8 \
+    --hash=sha256:2f0f5ceb14eccd5aef809d6382e87df22ca1da583c79f6db01675ce7d7f49c18 \
+    --hash=sha256:03a4869b9f3493807ee1f1cb405e6d576a1a2ca4d81a982677c0c1ad6177c56b \
+    --hash=sha256:ab09aee814c0241ff0c503cff30018219fe1fc14501d89f406f4664a0ec9fbcd \
+    --hash=sha256:6e9a7f052f8e26bcf749e4033e3115b6dc7e3c85aafcb794b9a88c9d9ef13c97 \
+    --hash=sha256:9f463a6bcc4eeb6c08f1ed84439b17818e2085937c0dee0d7674ac127c67c12b \
+    --hash=sha256:3626b4d81cfb300dad57f52f2f791caaf7b06c09b368c0aa7b868e53a5775424 \
+    --hash=sha256:367b90cc877b46af56d4580cd0ae278062903f02b8204ab631f5a2c0f50adfd0 \
+    --hash=sha256:9f1ea360086cd68681e7f4ca8f1f38df47bf81942a0d76a9673c2d23eff35b13
 pyRFC3339==1.0 \
     --hash=sha256:eea31835c56e2096af4363a5745a784878a61d043e247d3a6d6a0a32a9741f56 \
     --hash=sha256:8dfbc6c458b8daba1c0f3620a8c78008b323a268b27b7359e92a4ae41325f535
diff --git a/tools/release.sh b/tools/release.sh
index c883e3d61..7747b0e2b 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -164,13 +164,13 @@ for module in certbot $subpkgs_modules ; do
 done
 
 # pin pip hashes of the things we just built
-for pkg in acme certbot certbot-apache ; do
+for pkg in acme certbot certbot-apache certbot-nginx ; do
     echo $pkg==$version \\
     pip hash dist."$version/$pkg"/*.{whl,gz} | grep "^--hash" | python2 -c 'from sys import stdin; input = stdin.read(); print "   ", input.replace("\n--hash", " \\\n    --hash"),'
 done > /tmp/hashes.$$
 deactivate
 
-if ! wc -l /tmp/hashes.$$ | grep -qE "^\s*9 " ; then
+if ! wc -l /tmp/hashes.$$ | grep -qE "^\s*12 " ; then
     echo Unexpected pip hash output
     exit 1
 fi